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Finding the Fourth Proportional to 73,949.76, 110,885.76 and 63,607.68

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Solution

The fourth proportional to 73,949.76, 110,885.76 and 63,607.68 is: 95,378.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,949.76 : 110,885.76 = 63,607.68 : x
  2. Step 2: Convert to fraction form
    73,949.76/110,885.76 = 63,607.68/x
  3. Step 3: Cross multiply
    73,949.76x = 110,885.76 × 63,607.68
  4. Step 4: Simplify right side
    73,949.76x = 7,053,185,938.64
  5. Step 5: Solve for x
    x = 7,053,185,938.64/73,949.76
  6. Step 6: Final answer
    x = 95,378.08

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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.