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Finding the Fourth Proportional to 109,771.91, 151,484.38 and 59,470.91

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Solution

The fourth proportional to 109,771.91, 151,484.38 and 59,470.91 is: 82,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,771.91 : 151,484.38 = 59,470.91 : x
  2. Step 2: Convert to fraction form
    109,771.91/151,484.38 = 59,470.91/x
  3. Step 3: Cross multiply
    109,771.91x = 151,484.38 × 59,470.91
  4. Step 4: Simplify right side
    109,771.91x = 9,008,913,591.35
  5. Step 5: Solve for x
    x = 9,008,913,591.35/109,771.91
  6. Step 6: Final answer
    x = 82,069.39

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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.