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Finding the Fourth Proportional to 477,073.68, 715,609.92 and 122,087.82

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Solution

The fourth proportional to 477,073.68, 715,609.92 and 122,087.82 is: 183,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,073.68 : 715,609.92 = 122,087.82 : x
  2. Step 2: Convert to fraction form
    477,073.68/715,609.92 = 122,087.82/x
  3. Step 3: Cross multiply
    477,073.68x = 715,609.92 × 122,087.82
  4. Step 4: Simplify right side
    477,073.68x = 87,367,255,103.17
  5. Step 5: Solve for x
    x = 87,367,255,103.17/477,073.68
  6. Step 6: Final answer
    x = 183,131.58

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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.