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Finding the Fourth Proportional to 351,503.02, 527,254.51 and 98,773.30

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Solution

The fourth proportional to 351,503.02, 527,254.51 and 98,773.30 is: 148,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,503.02 : 527,254.51 = 98,773.30 : x
  2. Step 2: Convert to fraction form
    351,503.02/527,254.51 = 98,773.30/x
  3. Step 3: Cross multiply
    351,503.02x = 527,254.51 × 98,773.30
  4. Step 4: Simplify right side
    351,503.02x = 52,078,667,892.58
  5. Step 5: Solve for x
    x = 52,078,667,892.58/351,503.02
  6. Step 6: Final answer
    x = 148,159.94

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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.