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Finding the Fourth Proportional to 347,158.10, 520,737.15 and 97,840.10

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Solution

The fourth proportional to 347,158.10, 520,737.15 and 97,840.10 is: 146,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,158.10 : 520,737.15 = 97,840.10 : x
  2. Step 2: Convert to fraction form
    347,158.10/520,737.15 = 97,840.10/x
  3. Step 3: Cross multiply
    347,158.10x = 520,737.15 × 97,840.10
  4. Step 4: Simplify right side
    347,158.10x = 50,948,974,829.72
  5. Step 5: Solve for x
    x = 50,948,974,829.72/347,158.10
  6. Step 6: Final answer
    x = 146,760.15

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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.