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Finding the Fourth Proportional to 97,371.74, 134,454.94 and 61,624.82

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Solution

The fourth proportional to 97,371.74, 134,454.94 and 61,624.82 is: 85,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,371.74 : 134,454.94 = 61,624.82 : x
  2. Step 2: Convert to fraction form
    97,371.74/134,454.94 = 61,624.82/x
  3. Step 3: Cross multiply
    97,371.74x = 134,454.94 × 61,624.82
  4. Step 4: Simplify right side
    97,371.74x = 8,285,761,475.61
  5. Step 5: Solve for x
    x = 8,285,761,475.61/97,371.74
  6. Step 6: Final answer
    x = 85,094.11

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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.