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Finding the Fourth Proportional to 116,691.70, 175,037.55 and 42,810.10

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Solution

The fourth proportional to 116,691.70, 175,037.55 and 42,810.10 is: 64,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,691.70 : 175,037.55 = 42,810.10 : x
  2. Step 2: Convert to fraction form
    116,691.70/175,037.55 = 42,810.10/x
  3. Step 3: Cross multiply
    116,691.70x = 175,037.55 × 42,810.10
  4. Step 4: Simplify right side
    116,691.70x = 7,493,375,019.26
  5. Step 5: Solve for x
    x = 7,493,375,019.26/116,691.70
  6. Step 6: Final answer
    x = 64,215.15

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1.5x scale

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.