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Finding the Fourth Proportional to 109,774.62, 151,489.44 and 59,473.62

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Solution

The fourth proportional to 109,774.62, 151,489.44 and 59,473.62 is: 82,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,774.62 : 151,489.44 = 59,473.62 : x
  2. Step 2: Convert to fraction form
    109,774.62/151,489.44 = 59,473.62/x
  3. Step 3: Cross multiply
    109,774.62x = 151,489.44 × 59,473.62
  4. Step 4: Simplify right side
    109,774.62x = 9,009,625,388.57
  5. Step 5: Solve for x
    x = 9,009,625,388.57/109,774.62
  6. Step 6: Final answer
    x = 82,073.85

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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.