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Finding the Fourth Proportional to 178,438.65, 246,222.50 and 101,962.62

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Solution

The fourth proportional to 178,438.65, 246,222.50 and 101,962.62 is: 140,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,438.65 : 246,222.50 = 101,962.62 : x
  2. Step 2: Convert to fraction form
    178,438.65/246,222.50 = 101,962.62/x
  3. Step 3: Cross multiply
    178,438.65x = 246,222.50 × 101,962.62
  4. Step 4: Simplify right side
    178,438.65x = 25,105,490,693.14
  5. Step 5: Solve for x
    x = 25,105,490,693.14/178,438.65
  6. Step 6: Final answer
    x = 140,695.36

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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.