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Finding the Fourth Proportional to 116,687.70, 175,031.55 and 37,809.90

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Solution

The fourth proportional to 116,687.70, 175,031.55 and 37,809.90 is: 56,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,687.70 : 175,031.55 = 37,809.90 : x
  2. Step 2: Convert to fraction form
    116,687.70/175,031.55 = 37,809.90/x
  3. Step 3: Cross multiply
    116,687.70x = 175,031.55 × 37,809.90
  4. Step 4: Simplify right side
    116,687.70x = 6,617,925,402.35
  5. Step 5: Solve for x
    x = 6,617,925,402.35/116,687.70
  6. Step 6: Final answer
    x = 56,714.85

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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.