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Finding the Fourth Proportional to 657,116.88, 985,676.28 and 158,480.88

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Solution

The fourth proportional to 657,116.88, 985,676.28 and 158,480.88 is: 237,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,116.88 : 985,676.28 = 158,480.88 : x
  2. Step 2: Convert to fraction form
    657,116.88/985,676.28 = 158,480.88/x
  3. Step 3: Cross multiply
    657,116.88x = 985,676.28 × 158,480.88
  4. Step 4: Simplify right side
    657,116.88x = 156,210,844,249.53
  5. Step 5: Solve for x
    x = 156,210,844,249.53/657,116.88
  6. Step 6: Final answer
    x = 237,721.55

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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.