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Finding the Fourth Proportional to 165,912,041.80, 248,868,062.70 and 165,912,041.80

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Solution

The fourth proportional to 165,912,041.80, 248,868,062.70 and 165,912,041.80 is: 248,868,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,912,041.80 : 248,868,062.70 = 165,912,041.80 : x
  2. Step 2: Convert to fraction form
    165,912,041.80/248,868,062.70 = 165,912,041.80/x
  3. Step 3: Cross multiply
    165,912,041.80x = 248,868,062.70 × 165,912,041.80
  4. Step 4: Simplify right side
    165,912,041.80x = 41,290,208,421,367,424
  5. Step 5: Solve for x
    x = 41,290,208,421,367,424/165,912,041.80
  6. Step 6: Final answer
    x = 248,868,062.70

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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.