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Finding the Fourth Proportional to 107,862.60, 161,765.10 and 37,734.60

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Solution

The fourth proportional to 107,862.60, 161,765.10 and 37,734.60 is: 56,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,862.60 : 161,765.10 = 37,734.60 : x
  2. Step 2: Convert to fraction form
    107,862.60/161,765.10 = 37,734.60/x
  3. Step 3: Cross multiply
    107,862.60x = 161,765.10 × 37,734.60
  4. Step 4: Simplify right side
    107,862.60x = 6,104,141,342.46
  5. Step 5: Solve for x
    x = 6,104,141,342.46/107,862.60
  6. Step 6: Final answer
    x = 56,591.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.