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Finding the Fourth Proportional to 292,967.04, 439,389 and 82,548.48

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Solution

The fourth proportional to 292,967.04, 439,389 and 82,548.48 is: 123,805.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,967.04 : 439,389 = 82,548.48 : x
  2. Step 2: Convert to fraction form
    292,967.04/439,389 = 82,548.48/x
  3. Step 3: Cross multiply
    292,967.04x = 439,389 × 82,548.48
  4. Step 4: Simplify right side
    292,967.04x = 36,270,894,078.72
  5. Step 5: Solve for x
    x = 36,270,894,078.72/292,967.04
  6. Step 6: Final answer
    x = 123,805.37

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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.