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Finding the Fourth Proportional to 227,687.49, 341,547.63 and 87,446.11

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Solution

The fourth proportional to 227,687.49, 341,547.63 and 87,446.11 is: 131,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,687.49 : 341,547.63 = 87,446.11 : x
  2. Step 2: Convert to fraction form
    227,687.49/341,547.63 = 87,446.11/x
  3. Step 3: Cross multiply
    227,687.49x = 341,547.63 × 87,446.11
  4. Step 4: Simplify right side
    227,687.49x = 29,867,011,623.22
  5. Step 5: Solve for x
    x = 29,867,011,623.22/227,687.49
  6. Step 6: Final answer
    x = 131,175.46

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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.