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Finding the Fourth Proportional to 178,652.40, 268,005.90 and 58,669.56

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Solution

The fourth proportional to 178,652.40, 268,005.90 and 58,669.56 is: 88,013.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,652.40 : 268,005.90 = 58,669.56 : x
  2. Step 2: Convert to fraction form
    178,652.40/268,005.90 = 58,669.56/x
  3. Step 3: Cross multiply
    178,652.40x = 268,005.90 × 58,669.56
  4. Step 4: Simplify right side
    178,652.40x = 15,723,788,230.40
  5. Step 5: Solve for x
    x = 15,723,788,230.40/178,652.40
  6. Step 6: Final answer
    x = 88,013.31

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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.