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Finding the Fourth Proportional to 124,690.60, 187,035.90 and 62,338.60

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Solution

The fourth proportional to 124,690.60, 187,035.90 and 62,338.60 is: 93,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,690.60 : 187,035.90 = 62,338.60 : x
  2. Step 2: Convert to fraction form
    124,690.60/187,035.90 = 62,338.60/x
  3. Step 3: Cross multiply
    124,690.60x = 187,035.90 × 62,338.60
  4. Step 4: Simplify right side
    124,690.60x = 11,659,556,155.74
  5. Step 5: Solve for x
    x = 11,659,556,155.74/124,690.60
  6. Step 6: Final answer
    x = 93,507.90

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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.