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Finding the Fourth Proportional to 63,279.84, 94,756.56 and 61,411.68

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Solution

The fourth proportional to 63,279.84, 94,756.56 and 61,411.68 is: 91,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,279.84 : 94,756.56 = 61,411.68 : x
  2. Step 2: Convert to fraction form
    63,279.84/94,756.56 = 61,411.68/x
  3. Step 3: Cross multiply
    63,279.84x = 94,756.56 × 61,411.68
  4. Step 4: Simplify right side
    63,279.84x = 5,819,159,540.62
  5. Step 5: Solve for x
    x = 5,819,159,540.62/63,279.84
  6. Step 6: Final answer
    x = 91,959.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.