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Finding the Fourth Proportional to 88,951.44, 122,834.64 and 57,175.68

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Solution

The fourth proportional to 88,951.44, 122,834.64 and 57,175.68 is: 78,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,951.44 : 122,834.64 = 57,175.68 : x
  2. Step 2: Convert to fraction form
    88,951.44/122,834.64 = 57,175.68/x
  3. Step 3: Cross multiply
    88,951.44x = 122,834.64 × 57,175.68
  4. Step 4: Simplify right side
    88,951.44x = 7,023,154,069.56
  5. Step 5: Solve for x
    x = 7,023,154,069.56/88,951.44
  6. Step 6: Final answer
    x = 78,954.92

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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.