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Finding the Fourth Proportional to 73,262.68, 109,887.94 and 23,340.76

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Solution

The fourth proportional to 73,262.68, 109,887.94 and 23,340.76 is: 35,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,262.68 : 109,887.94 = 23,340.76 : x
  2. Step 2: Convert to fraction form
    73,262.68/109,887.94 = 23,340.76/x
  3. Step 3: Cross multiply
    73,262.68x = 109,887.94 × 23,340.76
  4. Step 4: Simplify right side
    73,262.68x = 2,564,868,034.43
  5. Step 5: Solve for x
    x = 2,564,868,034.43/73,262.68
  6. Step 6: Final answer
    x = 35,009.20

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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.