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Finding the Fourth Proportional to 252,248.40, 377,854.20 and 127,659.60

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Solution

The fourth proportional to 252,248.40, 377,854.20 and 127,659.60 is: 191,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,248.40 : 377,854.20 = 127,659.60 : x
  2. Step 2: Convert to fraction form
    252,248.40/377,854.20 = 127,659.60/x
  3. Step 3: Cross multiply
    252,248.40x = 377,854.20 × 127,659.60
  4. Step 4: Simplify right side
    252,248.40x = 48,236,716,030.32
  5. Step 5: Solve for x
    x = 48,236,716,030.32/252,248.40
  6. Step 6: Final answer
    x = 191,227.04

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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.