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Finding the Fourth Proportional to 248,529.60, 372,731.85 and 71,037.54

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Solution

The fourth proportional to 248,529.60, 372,731.85 and 71,037.54 is: 106,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,529.60 : 372,731.85 = 71,037.54 : x
  2. Step 2: Convert to fraction form
    248,529.60/372,731.85 = 71,037.54/x
  3. Step 3: Cross multiply
    248,529.60x = 372,731.85 × 71,037.54
  4. Step 4: Simplify right side
    248,529.60x = 26,477,953,703.65
  5. Step 5: Solve for x
    x = 26,477,953,703.65/248,529.60
  6. Step 6: Final answer
    x = 106,538.43

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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.