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Finding the Fourth Proportional to 92,677.71, 127,908.87 and 58,689.30

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Solution

The fourth proportional to 92,677.71, 127,908.87 and 58,689.30 is: 80,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,677.71 : 127,908.87 = 58,689.30 : x
  2. Step 2: Convert to fraction form
    92,677.71/127,908.87 = 58,689.30/x
  3. Step 3: Cross multiply
    92,677.71x = 127,908.87 × 58,689.30
  4. Step 4: Simplify right side
    92,677.71x = 7,506,882,044.09
  5. Step 5: Solve for x
    x = 7,506,882,044.09/92,677.71
  6. Step 6: Final answer
    x = 80,999.87

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1.5x scale

Why These Related Problems?

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