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Finding the Fourth Proportional to 248,530.65, 372,795.80 and 71,037.71

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Solution

The fourth proportional to 248,530.65, 372,795.80 and 71,037.71 is: 106,556.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,530.65 : 372,795.80 = 71,037.71 : x
  2. Step 2: Convert to fraction form
    248,530.65/372,795.80 = 71,037.71/x
  3. Step 3: Cross multiply
    248,530.65x = 372,795.80 × 71,037.71
  4. Step 4: Simplify right side
    248,530.65x = 26,482,557,710.45
  5. Step 5: Solve for x
    x = 26,482,557,710.45/248,530.65
  6. Step 6: Final answer
    x = 106,556.51

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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.