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Finding the Fourth Proportional to 207,263.32, 310,894.71 and 82,691.80

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Solution

The fourth proportional to 207,263.32, 310,894.71 and 82,691.80 is: 124,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,263.32 : 310,894.71 = 82,691.80 : x
  2. Step 2: Convert to fraction form
    207,263.32/310,894.71 = 82,691.80/x
  3. Step 3: Cross multiply
    207,263.32x = 310,894.71 × 82,691.80
  4. Step 4: Simplify right side
    207,263.32x = 25,708,443,180.38
  5. Step 5: Solve for x
    x = 25,708,443,180.38/207,263.32
  6. Step 6: Final answer
    x = 124,037.59

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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.