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Finding the Fourth Proportional to 113,575.35, 156,735.01 and 62,589.90

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Solution

The fourth proportional to 113,575.35, 156,735.01 and 62,589.90 is: 86,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,575.35 : 156,735.01 = 62,589.90 : x
  2. Step 2: Convert to fraction form
    113,575.35/156,735.01 = 62,589.90/x
  3. Step 3: Cross multiply
    113,575.35x = 156,735.01 × 62,589.90
  4. Step 4: Simplify right side
    113,575.35x = 9,810,028,837.76
  5. Step 5: Solve for x
    x = 9,810,028,837.76/113,575.35
  6. Step 6: Final answer
    x = 86,374.63

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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.