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Finding the Fourth Proportional to 102,898.96, 154,248.03 and 42,944.68

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Solution

The fourth proportional to 102,898.96, 154,248.03 and 42,944.68 is: 64,375.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,898.96 : 154,248.03 = 42,944.68 : x
  2. Step 2: Convert to fraction form
    102,898.96/154,248.03 = 42,944.68/x
  3. Step 3: Cross multiply
    102,898.96x = 154,248.03 × 42,944.68
  4. Step 4: Simplify right side
    102,898.96x = 6,624,132,481.79
  5. Step 5: Solve for x
    x = 6,624,132,481.79/102,898.96
  6. Step 6: Final answer
    x = 64,375.12

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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.