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Finding the Fourth Proportional to 178,357.65, 246,132.59 and 97,788.57

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Solution

The fourth proportional to 178,357.65, 246,132.59 and 97,788.57 is: 134,947.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,357.65 : 246,132.59 = 97,788.57 : x
  2. Step 2: Convert to fraction form
    178,357.65/246,132.59 = 97,788.57/x
  3. Step 3: Cross multiply
    178,357.65x = 246,132.59 × 97,788.57
  4. Step 4: Simplify right side
    178,357.65x = 24,068,953,517.55
  5. Step 5: Solve for x
    x = 24,068,953,517.55/178,357.65
  6. Step 6: Final answer
    x = 134,947.69

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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.