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Finding the Fourth Proportional to 92,648.61, 127,857.56 and 56,337.53

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Solution

The fourth proportional to 92,648.61, 127,857.56 and 56,337.53 is: 77,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,648.61 : 127,857.56 = 56,337.53 : x
  2. Step 2: Convert to fraction form
    92,648.61/127,857.56 = 56,337.53/x
  3. Step 3: Cross multiply
    92,648.61x = 127,857.56 × 56,337.53
  4. Step 4: Simplify right side
    92,648.61x = 7,203,178,201.25
  5. Step 5: Solve for x
    x = 7,203,178,201.25/92,648.61
  6. Step 6: Final answer
    x = 77,747.29

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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.