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Finding the Fourth Proportional to 354,802.31, 532,288.20 and 118,147.04

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Solution

The fourth proportional to 354,802.31, 532,288.20 and 118,147.04 is: 177,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,802.31 : 532,288.20 = 118,147.04 : x
  2. Step 2: Convert to fraction form
    354,802.31/532,288.20 = 118,147.04/x
  3. Step 3: Cross multiply
    354,802.31x = 532,288.20 × 118,147.04
  4. Step 4: Simplify right side
    354,802.31x = 62,888,275,256.93
  5. Step 5: Solve for x
    x = 62,888,275,256.93/354,802.31
  6. Step 6: Final answer
    x = 177,248.78

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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.