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Finding the Fourth Proportional to 119,763.83, 165,275.13 and 66,050.71

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Solution

The fourth proportional to 119,763.83, 165,275.13 and 66,050.71 is: 91,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,763.83 : 165,275.13 = 66,050.71 : x
  2. Step 2: Convert to fraction form
    119,763.83/165,275.13 = 66,050.71/x
  3. Step 3: Cross multiply
    119,763.83x = 165,275.13 × 66,050.71
  4. Step 4: Simplify right side
    119,763.83x = 10,916,539,516.34
  5. Step 5: Solve for x
    x = 10,916,539,516.34/119,763.83
  6. Step 6: Final answer
    x = 91,150.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.