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Finding the Fourth Proportional to 230,101.50, 317,537.03 and 126,733.71

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Solution

The fourth proportional to 230,101.50, 317,537.03 and 126,733.71 is: 174,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,101.50 : 317,537.03 = 126,733.71 : x
  2. Step 2: Convert to fraction form
    230,101.50/317,537.03 = 126,733.71/x
  3. Step 3: Cross multiply
    230,101.50x = 317,537.03 × 126,733.71
  4. Step 4: Simplify right side
    230,101.50x = 40,242,645,874.28
  5. Step 5: Solve for x
    x = 40,242,645,874.28/230,101.50
  6. Step 6: Final answer
    x = 174,890.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.