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Finding the Fourth Proportional to 117,908.20, 176,862.30 and 114,627.70

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Solution

The fourth proportional to 117,908.20, 176,862.30 and 114,627.70 is: 171,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,908.20 : 176,862.30 = 114,627.70 : x
  2. Step 2: Convert to fraction form
    117,908.20/176,862.30 = 114,627.70/x
  3. Step 3: Cross multiply
    117,908.20x = 176,862.30 × 114,627.70
  4. Step 4: Simplify right side
    117,908.20x = 20,273,318,665.71
  5. Step 5: Solve for x
    x = 20,273,318,665.71/117,908.20
  6. Step 6: Final answer
    x = 171,941.55

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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.