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Finding the Fourth Proportional to 252,689.91, 379,020.29 and 152,823.29

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Solution

The fourth proportional to 252,689.91, 379,020.29 and 152,823.29 is: 229,226.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,689.91 : 379,020.29 = 152,823.29 : x
  2. Step 2: Convert to fraction form
    252,689.91/379,020.29 = 152,823.29/x
  3. Step 3: Cross multiply
    252,689.91x = 379,020.29 × 152,823.29
  4. Step 4: Simplify right side
    252,689.91x = 57,923,127,877.99
  5. Step 5: Solve for x
    x = 57,923,127,877.99/252,689.91
  6. Step 6: Final answer
    x = 229,226.12

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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.