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Finding the Fourth Proportional to 248,505.42, 372,769.65 and 71,037.66

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Solution

The fourth proportional to 248,505.42, 372,769.65 and 71,037.66 is: 106,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,505.42 : 372,769.65 = 71,037.66 : x
  2. Step 2: Convert to fraction form
    248,505.42/372,769.65 = 71,037.66/x
  3. Step 3: Cross multiply
    248,505.42x = 372,769.65 × 71,037.66
  4. Step 4: Simplify right side
    248,505.42x = 26,480,683,655.02
  5. Step 5: Solve for x
    x = 26,480,683,655.02/248,505.42
  6. Step 6: Final answer
    x = 106,559.78

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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.