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Finding the Fourth Proportional to 248,646.75, 372,970.14 and 82,434.75

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Solution

The fourth proportional to 248,646.75, 372,970.14 and 82,434.75 is: 123,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,646.75 : 372,970.14 = 82,434.75 : x
  2. Step 2: Convert to fraction form
    248,646.75/372,970.14 = 82,434.75/x
  3. Step 3: Cross multiply
    248,646.75x = 372,970.14 × 82,434.75
  4. Step 4: Simplify right side
    248,646.75x = 30,745,700,248.37
  5. Step 5: Solve for x
    x = 30,745,700,248.37/248,646.75
  6. Step 6: Final answer
    x = 123,652.13

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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.