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Finding the Fourth Proportional to 223,874.60, 336,071.10 and 135,228.20

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Solution

The fourth proportional to 223,874.60, 336,071.10 and 135,228.20 is: 202,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,874.60 : 336,071.10 = 135,228.20 : x
  2. Step 2: Convert to fraction form
    223,874.60/336,071.10 = 135,228.20/x
  3. Step 3: Cross multiply
    223,874.60x = 336,071.10 × 135,228.20
  4. Step 4: Simplify right side
    223,874.60x = 45,446,289,925.02
  5. Step 5: Solve for x
    x = 45,446,289,925.02/223,874.60
  6. Step 6: Final answer
    x = 202,998.87

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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.