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Finding the Fourth Proportional to 104,227.48, 143,833.56 and 56,482

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Solution

The fourth proportional to 104,227.48, 143,833.56 and 56,482 is: 77,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,227.48 : 143,833.56 = 56,482 : x
  2. Step 2: Convert to fraction form
    104,227.48/143,833.56 = 56,482/x
  3. Step 3: Cross multiply
    104,227.48x = 143,833.56 × 56,482
  4. Step 4: Simplify right side
    104,227.48x = 8,124,007,135.92
  5. Step 5: Solve for x
    x = 8,124,007,135.92/104,227.48
  6. Step 6: Final answer
    x = 77,944.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.