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Finding the Fourth Proportional to 79,416.08, 109,596.78 and 45,882.08

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Solution

The fourth proportional to 79,416.08, 109,596.78 and 45,882.08 is: 63,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,416.08 : 109,596.78 = 45,882.08 : x
  2. Step 2: Convert to fraction form
    79,416.08/109,596.78 = 45,882.08/x
  3. Step 3: Cross multiply
    79,416.08x = 109,596.78 × 45,882.08
  4. Step 4: Simplify right side
    79,416.08x = 5,028,528,227.70
  5. Step 5: Solve for x
    x = 5,028,528,227.70/79,416.08
  6. Step 6: Final answer
    x = 63,318.77

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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.