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Finding the Fourth Proportional to 159,847.32, 220,588.86 and 88,226.88

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Solution

The fourth proportional to 159,847.32, 220,588.86 and 88,226.88 is: 121,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,847.32 : 220,588.86 = 88,226.88 : x
  2. Step 2: Convert to fraction form
    159,847.32/220,588.86 = 88,226.88/x
  3. Step 3: Cross multiply
    159,847.32x = 220,588.86 × 88,226.88
  4. Step 4: Simplify right side
    159,847.32x = 19,461,866,880.56
  5. Step 5: Solve for x
    x = 19,461,866,880.56/159,847.32
  6. Step 6: Final answer
    x = 121,752.85

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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.