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Finding the Fourth Proportional to 71,547.98, 98,716.19 and 44,717.74

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Solution

The fourth proportional to 71,547.98, 98,716.19 and 44,717.74 is: 61,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,547.98 : 98,716.19 = 44,717.74 : x
  2. Step 2: Convert to fraction form
    71,547.98/98,716.19 = 44,717.74/x
  3. Step 3: Cross multiply
    71,547.98x = 98,716.19 × 44,717.74
  4. Step 4: Simplify right side
    71,547.98x = 4,414,364,447.83
  5. Step 5: Solve for x
    x = 4,414,364,447.83/71,547.98
  6. Step 6: Final answer
    x = 61,697.96

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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.