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Finding the Fourth Proportional to 354,806.34, 532,294.20 and 118,151.04

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Solution

The fourth proportional to 354,806.34, 532,294.20 and 118,151.04 is: 177,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,806.34 : 532,294.20 = 118,151.04 : x
  2. Step 2: Convert to fraction form
    354,806.34/532,294.20 = 118,151.04/x
  3. Step 3: Cross multiply
    354,806.34x = 532,294.20 × 118,151.04
  4. Step 4: Simplify right side
    354,806.34x = 62,891,113,315.97
  5. Step 5: Solve for x
    x = 62,891,113,315.97/354,806.34
  6. Step 6: Final answer
    x = 177,254.76

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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.