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Finding the Fourth Proportional to 269,755.05, 372,235.47 and 148,888.55

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Solution

The fourth proportional to 269,755.05, 372,235.47 and 148,888.55 is: 205,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,755.05 : 372,235.47 = 148,888.55 : x
  2. Step 2: Convert to fraction form
    269,755.05/372,235.47 = 148,888.55/x
  3. Step 3: Cross multiply
    269,755.05x = 372,235.47 × 148,888.55
  4. Step 4: Simplify right side
    269,755.05x = 55,421,600,177.85
  5. Step 5: Solve for x
    x = 55,421,600,177.85/269,755.05
  6. Step 6: Final answer
    x = 205,451.58

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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.