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Finding the Fourth Proportional to 176,525.65, 243,661.13 and 112,863.70

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Solution

The fourth proportional to 176,525.65, 243,661.13 and 112,863.70 is: 155,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,525.65 : 243,661.13 = 112,863.70 : x
  2. Step 2: Convert to fraction form
    176,525.65/243,661.13 = 112,863.70/x
  3. Step 3: Cross multiply
    176,525.65x = 243,661.13 × 112,863.70
  4. Step 4: Simplify right side
    176,525.65x = 27,500,496,677.98
  5. Step 5: Solve for x
    x = 27,500,496,677.98/176,525.65
  6. Step 6: Final answer
    x = 155,787.54

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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.