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Finding the Fourth Proportional to 269,594.80, 372,037.28 and 148,741.20

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Solution

The fourth proportional to 269,594.80, 372,037.28 and 148,741.20 is: 205,260.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,594.80 : 372,037.28 = 148,741.20 : x
  2. Step 2: Convert to fraction form
    269,594.80/372,037.28 = 148,741.20/x
  3. Step 3: Cross multiply
    269,594.80x = 372,037.28 × 148,741.20
  4. Step 4: Simplify right side
    269,594.80x = 55,337,271,471.94
  5. Step 5: Solve for x
    x = 55,337,271,471.94/269,594.80
  6. Step 6: Final answer
    x = 205,260.90

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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.