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Finding the Fourth Proportional to 178,187.60, 245,898.92 and 97,618.04

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Solution

The fourth proportional to 178,187.60, 245,898.92 and 97,618.04 is: 134,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,187.60 : 245,898.92 = 97,618.04 : x
  2. Step 2: Convert to fraction form
    178,187.60/245,898.92 = 97,618.04/x
  3. Step 3: Cross multiply
    178,187.60x = 245,898.92 × 97,618.04
  4. Step 4: Simplify right side
    178,187.60x = 24,004,170,608.52
  5. Step 5: Solve for x
    x = 24,004,170,608.52/178,187.60
  6. Step 6: Final answer
    x = 134,712.91

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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.