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Finding the Fourth Proportional to 92,713.46, 127,937.58 and 52,431

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Solution

The fourth proportional to 92,713.46, 127,937.58 and 52,431 is: 72,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,713.46 : 127,937.58 = 52,431 : x
  2. Step 2: Convert to fraction form
    92,713.46/127,937.58 = 52,431/x
  3. Step 3: Cross multiply
    92,713.46x = 127,937.58 × 52,431
  4. Step 4: Simplify right side
    92,713.46x = 6,707,895,256.98
  5. Step 5: Solve for x
    x = 6,707,895,256.98/92,713.46
  6. Step 6: Final answer
    x = 72,350.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.