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Finding the Fourth Proportional to 92,242.74, 127,304.55 and 56,456.58

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Solution

The fourth proportional to 92,242.74, 127,304.55 and 56,456.58 is: 77,915.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,242.74 : 127,304.55 = 56,456.58 : x
  2. Step 2: Convert to fraction form
    92,242.74/127,304.55 = 56,456.58/x
  3. Step 3: Cross multiply
    92,242.74x = 127,304.55 × 56,456.58
  4. Step 4: Simplify right side
    92,242.74x = 7,187,179,511.44
  5. Step 5: Solve for x
    x = 7,187,179,511.44/92,242.74
  6. Step 6: Final answer
    x = 77,915.94

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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.