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Finding the Fourth Proportional to 79,164.48, 109,246.92 and 43,356.72

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Solution

The fourth proportional to 79,164.48, 109,246.92 and 43,356.72 is: 59,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,164.48 : 109,246.92 = 43,356.72 : x
  2. Step 2: Convert to fraction form
    79,164.48/109,246.92 = 43,356.72/x
  3. Step 3: Cross multiply
    79,164.48x = 109,246.92 × 43,356.72
  4. Step 4: Simplify right side
    79,164.48x = 4,736,588,121.30
  5. Step 5: Solve for x
    x = 4,736,588,121.30/79,164.48
  6. Step 6: Final answer
    x = 59,832.24

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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.