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Finding the Fourth Proportional to 483,711.54, 725,565.01 and 123,881.68

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Solution

The fourth proportional to 483,711.54, 725,565.01 and 123,881.68 is: 185,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,711.54 : 725,565.01 = 123,881.68 : x
  2. Step 2: Convert to fraction form
    483,711.54/725,565.01 = 123,881.68/x
  3. Step 3: Cross multiply
    483,711.54x = 725,565.01 × 123,881.68
  4. Step 4: Simplify right side
    483,711.54x = 89,884,212,388.02
  5. Step 5: Solve for x
    x = 89,884,212,388.02/483,711.54
  6. Step 6: Final answer
    x = 185,821.93

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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.