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Finding the Fourth Proportional to 109,981.68, 151,774.84 and 59,680.68

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Solution

The fourth proportional to 109,981.68, 151,774.84 and 59,680.68 is: 82,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,981.68 : 151,774.84 = 59,680.68 : x
  2. Step 2: Convert to fraction form
    109,981.68/151,774.84 = 59,680.68/x
  3. Step 3: Cross multiply
    109,981.68x = 151,774.84 × 59,680.68
  4. Step 4: Simplify right side
    109,981.68x = 9,058,025,658.09
  5. Step 5: Solve for x
    x = 9,058,025,658.09/109,981.68
  6. Step 6: Final answer
    x = 82,359.40

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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.