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Finding the Fourth Proportional to 109,498.88, 151,108.65 and 59,197.88

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Solution

The fourth proportional to 109,498.88, 151,108.65 and 59,197.88 is: 81,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,498.88 : 151,108.65 = 59,197.88 : x
  2. Step 2: Convert to fraction form
    109,498.88/151,108.65 = 59,197.88/x
  3. Step 3: Cross multiply
    109,498.88x = 151,108.65 × 59,197.88
  4. Step 4: Simplify right side
    109,498.88x = 8,945,310,974.12
  5. Step 5: Solve for x
    x = 8,945,310,974.12/109,498.88
  6. Step 6: Final answer
    x = 81,693.18

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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.