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Finding the Fourth Proportional to 247,363.62, 371,015.19 and 105,266.00

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Solution

The fourth proportional to 247,363.62, 371,015.19 and 105,266.00 is: 157,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,363.62 : 371,015.19 = 105,266.00 : x
  2. Step 2: Convert to fraction form
    247,363.62/371,015.19 = 105,266.00/x
  3. Step 3: Cross multiply
    247,363.62x = 371,015.19 × 105,266.00
  4. Step 4: Simplify right side
    247,363.62x = 39,055,283,135.46
  5. Step 5: Solve for x
    x = 39,055,283,135.46/247,363.62
  6. Step 6: Final answer
    x = 157,886.12

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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.