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Finding the Fourth Proportional to 223,854.92, 335,899.02 and 99,166.76

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Solution

The fourth proportional to 223,854.92, 335,899.02 and 99,166.76 is: 148,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,854.92 : 335,899.02 = 99,166.76 : x
  2. Step 2: Convert to fraction form
    223,854.92/335,899.02 = 99,166.76/x
  3. Step 3: Cross multiply
    223,854.92x = 335,899.02 × 99,166.76
  4. Step 4: Simplify right side
    223,854.92x = 33,310,017,500.58
  5. Step 5: Solve for x
    x = 33,310,017,500.58/223,854.92
  6. Step 6: Final answer
    x = 148,801.81

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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.