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Finding the Fourth Proportional to 155,152.40, 232,729.40 and 61,658.42

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Solution

The fourth proportional to 155,152.40, 232,729.40 and 61,658.42 is: 92,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,152.40 : 232,729.40 = 61,658.42 : x
  2. Step 2: Convert to fraction form
    155,152.40/232,729.40 = 61,658.42/x
  3. Step 3: Cross multiply
    155,152.40x = 232,729.40 × 61,658.42
  4. Step 4: Simplify right side
    155,152.40x = 14,349,726,082.05
  5. Step 5: Solve for x
    x = 14,349,726,082.05/155,152.40
  6. Step 6: Final answer
    x = 92,487.94

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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.