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Finding the Fourth Proportional to 154,387, 231,580.52 and 37,651

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Solution

The fourth proportional to 154,387, 231,580.52 and 37,651 is: 56,476.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,387 : 231,580.52 = 37,651 : x
  2. Step 2: Convert to fraction form
    154,387/231,580.52 = 37,651/x
  3. Step 3: Cross multiply
    154,387x = 231,580.52 × 37,651
  4. Step 4: Simplify right side
    154,387x = 8,719,238,158.52
  5. Step 5: Solve for x
    x = 8,719,238,158.52/154,387
  6. Step 6: Final answer
    x = 56,476.50

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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.