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Finding the Fourth Proportional to 165,624.80, 248,446.80 and 47,304.80

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Solution

The fourth proportional to 165,624.80, 248,446.80 and 47,304.80 is: 70,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,624.80 : 248,446.80 = 47,304.80 : x
  2. Step 2: Convert to fraction form
    165,624.80/248,446.80 = 47,304.80/x
  3. Step 3: Cross multiply
    165,624.80x = 248,446.80 × 47,304.80
  4. Step 4: Simplify right side
    165,624.80x = 11,752,726,184.64
  5. Step 5: Solve for x
    x = 11,752,726,184.64/165,624.80
  6. Step 6: Final answer
    x = 70,959.94

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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.