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Finding the Fourth Proportional to 72,959.46, 100,668.67 and 44,294.19

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Solution

The fourth proportional to 72,959.46, 100,668.67 and 44,294.19 is: 61,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,959.46 : 100,668.67 = 44,294.19 : x
  2. Step 2: Convert to fraction form
    72,959.46/100,668.67 = 44,294.19/x
  3. Step 3: Cross multiply
    72,959.46x = 100,668.67 × 44,294.19
  4. Step 4: Simplify right side
    72,959.46x = 4,459,037,523.20
  5. Step 5: Solve for x
    x = 4,459,037,523.20/72,959.46
  6. Step 6: Final answer
    x = 61,116.65

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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.