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Finding the Fourth Proportional to 175,868.92, 242,687.58 and 112,199.92

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Solution

The fourth proportional to 175,868.92, 242,687.58 and 112,199.92 is: 154,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,868.92 : 242,687.58 = 112,199.92 : x
  2. Step 2: Convert to fraction form
    175,868.92/242,687.58 = 112,199.92/x
  3. Step 3: Cross multiply
    175,868.92x = 242,687.58 × 112,199.92
  4. Step 4: Simplify right side
    175,868.92x = 27,229,527,060.99
  5. Step 5: Solve for x
    x = 27,229,527,060.99/175,868.92
  6. Step 6: Final answer
    x = 154,828.53

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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.