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Finding the Fourth Proportional to 92,369.77, 127,471.71 and 54,120.17

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Solution

The fourth proportional to 92,369.77, 127,471.71 and 54,120.17 is: 74,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,369.77 : 127,471.71 = 54,120.17 : x
  2. Step 2: Convert to fraction form
    92,369.77/127,471.71 = 54,120.17/x
  3. Step 3: Cross multiply
    92,369.77x = 127,471.71 × 54,120.17
  4. Step 4: Simplify right side
    92,369.77x = 6,898,789,963.35
  5. Step 5: Solve for x
    x = 6,898,789,963.35/92,369.77
  6. Step 6: Final answer
    x = 74,686.66

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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.