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Finding the Fourth Proportional to 180,930.30, 271,395.45 and 124,943.10

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Solution

The fourth proportional to 180,930.30, 271,395.45 and 124,943.10 is: 187,414.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,930.30 : 271,395.45 = 124,943.10 : x
  2. Step 2: Convert to fraction form
    180,930.30/271,395.45 = 124,943.10/x
  3. Step 3: Cross multiply
    180,930.30x = 271,395.45 × 124,943.10
  4. Step 4: Simplify right side
    180,930.30x = 33,908,988,848.90
  5. Step 5: Solve for x
    x = 33,908,988,848.90/180,930.30
  6. Step 6: Final answer
    x = 187,414.65

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1.5x scale

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.