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Finding the Fourth Proportional to 657,150.88, 985,727.40 and 158,514.88

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Solution

The fourth proportional to 657,150.88, 985,727.40 and 158,514.88 is: 237,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,150.88 : 985,727.40 = 158,514.88 : x
  2. Step 2: Convert to fraction form
    657,150.88/985,727.40 = 158,514.88/x
  3. Step 3: Cross multiply
    657,150.88x = 985,727.40 × 158,514.88
  4. Step 4: Simplify right side
    657,150.88x = 156,252,460,523.71
  5. Step 5: Solve for x
    x = 156,252,460,523.71/657,150.88
  6. Step 6: Final answer
    x = 237,772.58

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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.