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Finding the Fourth Proportional to 176,524.65, 243,659.75 and 112,862.70

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Solution

The fourth proportional to 176,524.65, 243,659.75 and 112,862.70 is: 155,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,524.65 : 243,659.75 = 112,862.70 : x
  2. Step 2: Convert to fraction form
    176,524.65/243,659.75 = 112,862.70/x
  3. Step 3: Cross multiply
    176,524.65x = 243,659.75 × 112,862.70
  4. Step 4: Simplify right side
    176,524.65x = 27,500,096,702.01
  5. Step 5: Solve for x
    x = 27,500,096,702.01/176,524.65
  6. Step 6: Final answer
    x = 155,786.16

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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.