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Finding the Fourth Proportional to 219,863.48, 329,769.30 and 98,298.68

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Solution

The fourth proportional to 219,863.48, 329,769.30 and 98,298.68 is: 147,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,863.48 : 329,769.30 = 98,298.68 : x
  2. Step 2: Convert to fraction form
    219,863.48/329,769.30 = 98,298.68/x
  3. Step 3: Cross multiply
    219,863.48x = 329,769.30 × 98,298.68
  4. Step 4: Simplify right side
    219,863.48x = 32,415,886,894.52
  5. Step 5: Solve for x
    x = 32,415,886,894.52/219,863.48
  6. Step 6: Final answer
    x = 147,436.43

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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.