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Finding the Fourth Proportional to 199,573.60, 275,441.84 and 124,146.40

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Solution

The fourth proportional to 199,573.60, 275,441.84 and 124,146.40 is: 171,340.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,573.60 : 275,441.84 = 124,146.40 : x
  2. Step 2: Convert to fraction form
    199,573.60/275,441.84 = 124,146.40/x
  3. Step 3: Cross multiply
    199,573.60x = 275,441.84 × 124,146.40
  4. Step 4: Simplify right side
    199,573.60x = 34,195,112,845.38
  5. Step 5: Solve for x
    x = 34,195,112,845.38/199,573.60
  6. Step 6: Final answer
    x = 171,340.86

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1.5x scale

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.