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Finding the Fourth Proportional to 124,762.56, 187,217.96 and 45,932.16

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Solution

The fourth proportional to 124,762.56, 187,217.96 and 45,932.16 is: 68,925.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,762.56 : 187,217.96 = 45,932.16 : x
  2. Step 2: Convert to fraction form
    124,762.56/187,217.96 = 45,932.16/x
  3. Step 3: Cross multiply
    124,762.56x = 187,217.96 × 45,932.16
  4. Step 4: Simplify right side
    124,762.56x = 8,599,325,293.59
  5. Step 5: Solve for x
    x = 8,599,325,293.59/124,762.56
  6. Step 6: Final answer
    x = 68,925.53

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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.