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Finding the Fourth Proportional to 79,352.60, 109,502.82 and 43,541.82

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Solution

The fourth proportional to 79,352.60, 109,502.82 and 43,541.82 is: 60,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,352.60 : 109,502.82 = 43,541.82 : x
  2. Step 2: Convert to fraction form
    79,352.60/109,502.82 = 43,541.82/x
  3. Step 3: Cross multiply
    79,352.60x = 109,502.82 × 43,541.82
  4. Step 4: Simplify right side
    79,352.60x = 4,767,952,077.93
  5. Step 5: Solve for x
    x = 4,767,952,077.93/79,352.60
  6. Step 6: Final answer
    x = 60,085.65

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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.