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Finding the Fourth Proportional to 156,748.91, 216,252.45 and 88,750.22

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Solution

The fourth proportional to 156,748.91, 216,252.45 and 88,750.22 is: 122,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,748.91 : 216,252.45 = 88,750.22 : x
  2. Step 2: Convert to fraction form
    156,748.91/216,252.45 = 88,750.22/x
  3. Step 3: Cross multiply
    156,748.91x = 216,252.45 × 88,750.22
  4. Step 4: Simplify right side
    156,748.91x = 19,192,451,431.78
  5. Step 5: Solve for x
    x = 19,192,451,431.78/156,748.91
  6. Step 6: Final answer
    x = 122,440.74

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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.