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Finding the Fourth Proportional to 367,655.03, 551,487.68 and 97,787.78

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Solution

The fourth proportional to 367,655.03, 551,487.68 and 97,787.78 is: 146,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,655.03 : 551,487.68 = 97,787.78 : x
  2. Step 2: Convert to fraction form
    367,655.03/551,487.68 = 97,787.78/x
  3. Step 3: Cross multiply
    367,655.03x = 551,487.68 × 97,787.78
  4. Step 4: Simplify right side
    367,655.03x = 53,928,755,924.55
  5. Step 5: Solve for x
    x = 53,928,755,924.55/367,655.03
  6. Step 6: Final answer
    x = 146,683.04

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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.