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Finding the Fourth Proportional to 159,651.01, 220,318.17 and 88,031.21

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Solution

The fourth proportional to 159,651.01, 220,318.17 and 88,031.21 is: 121,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,651.01 : 220,318.17 = 88,031.21 : x
  2. Step 2: Convert to fraction form
    159,651.01/220,318.17 = 88,031.21/x
  3. Step 3: Cross multiply
    159,651.01x = 220,318.17 × 88,031.21
  4. Step 4: Simplify right side
    159,651.01x = 19,394,875,090.09
  5. Step 5: Solve for x
    x = 19,394,875,090.09/159,651.01
  6. Step 6: Final answer
    x = 121,482.95

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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.