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Finding the Fourth Proportional to 136,803.84, 205,227.36 and 52,560.64

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Solution

The fourth proportional to 136,803.84, 205,227.36 and 52,560.64 is: 78,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,803.84 : 205,227.36 = 52,560.64 : x
  2. Step 2: Convert to fraction form
    136,803.84/205,227.36 = 52,560.64/x
  3. Step 3: Cross multiply
    136,803.84x = 205,227.36 × 52,560.64
  4. Step 4: Simplify right side
    136,803.84x = 10,786,881,387.11
  5. Step 5: Solve for x
    x = 10,786,881,387.11/136,803.84
  6. Step 6: Final answer
    x = 78,849.26

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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.