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Finding the Fourth Proportional to 269,759.58, 372,266.16 and 148,900.86

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Solution

The fourth proportional to 269,759.58, 372,266.16 and 148,900.86 is: 205,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,759.58 : 372,266.16 = 148,900.86 : x
  2. Step 2: Convert to fraction form
    269,759.58/372,266.16 = 148,900.86/x
  3. Step 3: Cross multiply
    269,759.58x = 372,266.16 × 148,900.86
  4. Step 4: Simplify right side
    269,759.58x = 55,430,751,372.90
  5. Step 5: Solve for x
    x = 55,430,751,372.90/269,759.58
  6. Step 6: Final answer
    x = 205,482.05

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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.