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Finding the Fourth Proportional to 178,358.65, 246,133.96 and 97,789.57

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Solution

The fourth proportional to 178,358.65, 246,133.96 and 97,789.57 is: 134,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,358.65 : 246,133.96 = 97,789.57 : x
  2. Step 2: Convert to fraction form
    178,358.65/246,133.96 = 97,789.57/x
  3. Step 3: Cross multiply
    178,358.65x = 246,133.96 × 97,789.57
  4. Step 4: Simplify right side
    178,358.65x = 24,069,334,110.80
  5. Step 5: Solve for x
    x = 24,069,334,110.80/178,358.65
  6. Step 6: Final answer
    x = 134,949.07

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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.