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Finding the Fourth Proportional to 248,504.76, 372,769.38 and 71,037.72

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Solution

The fourth proportional to 248,504.76, 372,769.38 and 71,037.72 is: 106,560.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,504.76 : 372,769.38 = 71,037.72 : x
  2. Step 2: Convert to fraction form
    248,504.76/372,769.38 = 71,037.72/x
  3. Step 3: Cross multiply
    248,504.76x = 372,769.38 × 71,037.72
  4. Step 4: Simplify right side
    248,504.76x = 26,480,686,841.01
  5. Step 5: Solve for x
    x = 26,480,686,841.01/248,504.76
  6. Step 6: Final answer
    x = 106,560.08

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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.