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Finding the Fourth Proportional to 92,484.52, 127,581.60 and 56,176.30

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Solution

The fourth proportional to 92,484.52, 127,581.60 and 56,176.30 is: 77,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,484.52 : 127,581.60 = 56,176.30 : x
  2. Step 2: Convert to fraction form
    92,484.52/127,581.60 = 56,176.30/x
  3. Step 3: Cross multiply
    92,484.52x = 127,581.60 × 56,176.30
  4. Step 4: Simplify right side
    92,484.52x = 7,167,062,236.08
  5. Step 5: Solve for x
    x = 7,167,062,236.08/92,484.52
  6. Step 6: Final answer
    x = 77,494.72

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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.