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Finding the Fourth Proportional to 157,744.85, 236,377.85 and 115,652.95

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Solution

The fourth proportional to 157,744.85, 236,377.85 and 115,652.95 is: 173,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,744.85 : 236,377.85 = 115,652.95 : x
  2. Step 2: Convert to fraction form
    157,744.85/236,377.85 = 115,652.95/x
  3. Step 3: Cross multiply
    157,744.85x = 236,377.85 × 115,652.95
  4. Step 4: Simplify right side
    157,744.85x = 27,337,794,497.95
  5. Step 5: Solve for x
    x = 27,337,794,497.95/157,744.85
  6. Step 6: Final answer
    x = 173,303.89

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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.