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Finding the Fourth Proportional to 252,689.84, 348,586.15 and 150,643.41

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Solution

The fourth proportional to 252,689.84, 348,586.15 and 150,643.41 is: 207,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,689.84 : 348,586.15 = 150,643.41 : x
  2. Step 2: Convert to fraction form
    252,689.84/348,586.15 = 150,643.41/x
  3. Step 3: Cross multiply
    252,689.84x = 348,586.15 × 150,643.41
  4. Step 4: Simplify right side
    252,689.84x = 52,512,206,874.22
  5. Step 5: Solve for x
    x = 52,512,206,874.22/252,689.84
  6. Step 6: Final answer
    x = 207,812.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.