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Finding the Fourth Proportional to 159,773.84, 220,487.28 and 88,158.32

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Solution

The fourth proportional to 159,773.84, 220,487.28 and 88,158.32 is: 121,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,773.84 : 220,487.28 = 88,158.32 : x
  2. Step 2: Convert to fraction form
    159,773.84/220,487.28 = 88,158.32/x
  3. Step 3: Cross multiply
    159,773.84x = 220,487.28 × 88,158.32
  4. Step 4: Simplify right side
    159,773.84x = 19,437,788,186.17
  5. Step 5: Solve for x
    x = 19,437,788,186.17/159,773.84
  6. Step 6: Final answer
    x = 121,658.14

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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.