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Finding the Fourth Proportional to 113,379.74, 156,460.71 and 62,392.44

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Solution

The fourth proportional to 113,379.74, 156,460.71 and 62,392.44 is: 86,099.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,379.74 : 156,460.71 = 62,392.44 : x
  2. Step 2: Convert to fraction form
    113,379.74/156,460.71 = 62,392.44/x
  3. Step 3: Cross multiply
    113,379.74x = 156,460.71 × 62,392.44
  4. Step 4: Simplify right side
    113,379.74x = 9,761,965,461.03
  5. Step 5: Solve for x
    x = 9,761,965,461.03/113,379.74
  6. Step 6: Final answer
    x = 86,099.74

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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.