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Finding the Fourth Proportional to 355,151.79, 532,627.79 and 98,926.11

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Solution

The fourth proportional to 355,151.79, 532,627.79 and 98,926.11 is: 148,361.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,151.79 : 532,627.79 = 98,926.11 : x
  2. Step 2: Convert to fraction form
    355,151.79/532,627.79 = 98,926.11/x
  3. Step 3: Cross multiply
    355,151.79x = 532,627.79 × 98,926.11
  4. Step 4: Simplify right side
    355,151.79x = 52,690,794,847.97
  5. Step 5: Solve for x
    x = 52,690,794,847.97/355,151.79
  6. Step 6: Final answer
    x = 148,361.34

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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.