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Finding the Fourth Proportional to 243,706.52, 365,424.01 and 75,179.04

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Solution

The fourth proportional to 243,706.52, 365,424.01 and 75,179.04 is: 112,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,706.52 : 365,424.01 = 75,179.04 : x
  2. Step 2: Convert to fraction form
    243,706.52/365,424.01 = 75,179.04/x
  3. Step 3: Cross multiply
    243,706.52x = 365,424.01 × 75,179.04
  4. Step 4: Simplify right side
    243,706.52x = 27,472,224,706.46
  5. Step 5: Solve for x
    x = 27,472,224,706.46/243,706.52
  6. Step 6: Final answer
    x = 112,726.67

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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.