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Finding the Fourth Proportional to 109,771.66, 151,484.88 and 59,470.66

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Solution

The fourth proportional to 109,771.66, 151,484.88 and 59,470.66 is: 82,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,771.66 : 151,484.88 = 59,470.66 : x
  2. Step 2: Convert to fraction form
    109,771.66/151,484.88 = 59,470.66/x
  3. Step 3: Cross multiply
    109,771.66x = 151,484.88 × 59,470.66
  4. Step 4: Simplify right side
    109,771.66x = 9,008,905,793.62
  5. Step 5: Solve for x
    x = 9,008,905,793.62/109,771.66
  6. Step 6: Final answer
    x = 82,069.50

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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.