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Finding the Fourth Proportional to 124,562.75, 186,733.05 and 45,658.52

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Solution

The fourth proportional to 124,562.75, 186,733.05 and 45,658.52 is: 68,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,562.75 : 186,733.05 = 45,658.52 : x
  2. Step 2: Convert to fraction form
    124,562.75/186,733.05 = 45,658.52/x
  3. Step 3: Cross multiply
    124,562.75x = 186,733.05 × 45,658.52
  4. Step 4: Simplify right side
    124,562.75x = 8,525,954,293.45
  5. Step 5: Solve for x
    x = 8,525,954,293.45/124,562.75
  6. Step 6: Final answer
    x = 68,447.06

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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.