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Finding the Fourth Proportional to 165,888,101.80, 248,832,152.70 and 144,654,437.80

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Solution

The fourth proportional to 165,888,101.80, 248,832,152.70 and 144,654,437.80 is: 216,981,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,101.80 : 248,832,152.70 = 144,654,437.80 : x
  2. Step 2: Convert to fraction form
    165,888,101.80/248,832,152.70 = 144,654,437.80/x
  3. Step 3: Cross multiply
    165,888,101.80x = 248,832,152.70 × 144,654,437.80
  4. Step 4: Simplify right side
    165,888,101.80x = 35,994,675,155,382,252
  5. Step 5: Solve for x
    x = 35,994,675,155,382,252/165,888,101.80
  6. Step 6: Final answer
    x = 216,981,656.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.