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Finding the Fourth Proportional to 92,240.58, 127,294.56 and 56,429.94

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Solution

The fourth proportional to 92,240.58, 127,294.56 and 56,429.94 is: 77,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,240.58 : 127,294.56 = 56,429.94 : x
  2. Step 2: Convert to fraction form
    92,240.58/127,294.56 = 56,429.94/x
  3. Step 3: Cross multiply
    92,240.58x = 127,294.56 × 56,429.94
  4. Step 4: Simplify right side
    92,240.58x = 7,183,224,383.13
  5. Step 5: Solve for x
    x = 7,183,224,383.13/92,240.58
  6. Step 6: Final answer
    x = 77,874.88

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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.