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Finding the Fourth Proportional to 351,561.68, 527,373.65 and 98,844.36

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Solution

The fourth proportional to 351,561.68, 527,373.65 and 98,844.36 is: 148,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,561.68 : 527,373.65 = 98,844.36 : x
  2. Step 2: Convert to fraction form
    351,561.68/527,373.65 = 98,844.36/x
  3. Step 3: Cross multiply
    351,561.68x = 527,373.65 × 98,844.36
  4. Step 4: Simplify right side
    351,561.68x = 52,127,910,420.89
  5. Step 5: Solve for x
    x = 52,127,910,420.89/351,561.68
  6. Step 6: Final answer
    x = 148,275.29

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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.