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Finding the Fourth Proportional to 73,687.84, 110,510.12 and 26,295.28

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Solution

The fourth proportional to 73,687.84, 110,510.12 and 26,295.28 is: 39,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,687.84 : 110,510.12 = 26,295.28 : x
  2. Step 2: Convert to fraction form
    73,687.84/110,510.12 = 26,295.28/x
  3. Step 3: Cross multiply
    73,687.84x = 110,510.12 × 26,295.28
  4. Step 4: Simplify right side
    73,687.84x = 2,905,894,548.23
  5. Step 5: Solve for x
    x = 2,905,894,548.23/73,687.84
  6. Step 6: Final answer
    x = 39,435.20

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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.