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Finding the Fourth Proportional to 156,770.88, 216,282.84 and 88,772.24

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Solution

The fourth proportional to 156,770.88, 216,282.84 and 88,772.24 is: 122,471.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,770.88 : 216,282.84 = 88,772.24 : x
  2. Step 2: Convert to fraction form
    156,770.88/216,282.84 = 88,772.24/x
  3. Step 3: Cross multiply
    156,770.88x = 216,282.84 × 88,772.24
  4. Step 4: Simplify right side
    156,770.88x = 19,199,912,180.36
  5. Step 5: Solve for x
    x = 19,199,912,180.36/156,770.88
  6. Step 6: Final answer
    x = 122,471.16

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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.