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Finding the Fourth Proportional to 92,397.36, 127,541.12 and 54,671.52

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Solution

The fourth proportional to 92,397.36, 127,541.12 and 54,671.52 is: 75,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,397.36 : 127,541.12 = 54,671.52 : x
  2. Step 2: Convert to fraction form
    92,397.36/127,541.12 = 54,671.52/x
  3. Step 3: Cross multiply
    92,397.36x = 127,541.12 × 54,671.52
  4. Step 4: Simplify right side
    92,397.36x = 6,972,866,892.90
  5. Step 5: Solve for x
    x = 6,972,866,892.90/92,397.36
  6. Step 6: Final answer
    x = 75,466.08

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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.