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Finding the Fourth Proportional to 159,774.39, 220,484.97 and 88,154.46

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Solution

The fourth proportional to 159,774.39, 220,484.97 and 88,154.46 is: 121,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,774.39 : 220,484.97 = 88,154.46 : x
  2. Step 2: Convert to fraction form
    159,774.39/220,484.97 = 88,154.46/x
  3. Step 3: Cross multiply
    159,774.39x = 220,484.97 × 88,154.46
  4. Step 4: Simplify right side
    159,774.39x = 19,436,733,468.47
  5. Step 5: Solve for x
    x = 19,436,733,468.47/159,774.39
  6. Step 6: Final answer
    x = 121,651.12

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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.