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Finding the Fourth Proportional to 657,104.88, 985,658.28 and 158,468.88

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Solution

The fourth proportional to 657,104.88, 985,658.28 and 158,468.88 is: 237,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,104.88 : 985,658.28 = 158,468.88 : x
  2. Step 2: Convert to fraction form
    657,104.88/985,658.28 = 158,468.88/x
  3. Step 3: Cross multiply
    657,104.88x = 985,658.28 × 158,468.88
  4. Step 4: Simplify right side
    657,104.88x = 156,196,163,694.33
  5. Step 5: Solve for x
    x = 156,196,163,694.33/657,104.88
  6. Step 6: Final answer
    x = 237,703.55

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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.