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Finding the Fourth Proportional to 563,149.86, 844,715.84 and 136,689.22

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Solution

The fourth proportional to 563,149.86, 844,715.84 and 136,689.22 is: 205,031.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,149.86 : 844,715.84 = 136,689.22 : x
  2. Step 2: Convert to fraction form
    563,149.86/844,715.84 = 136,689.22/x
  3. Step 3: Cross multiply
    563,149.86x = 844,715.84 × 136,689.22
  4. Step 4: Simplify right side
    563,149.86x = 115,463,549,291.25
  5. Step 5: Solve for x
    x = 115,463,549,291.25/563,149.86
  6. Step 6: Final answer
    x = 205,031.66

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Similar ratio
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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.