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Finding the Fourth Proportional to 292,824.96, 439,237.44 and 71,207.04

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Solution

The fourth proportional to 292,824.96, 439,237.44 and 71,207.04 is: 106,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,824.96 : 439,237.44 = 71,207.04 : x
  2. Step 2: Convert to fraction form
    292,824.96/439,237.44 = 71,207.04/x
  3. Step 3: Cross multiply
    292,824.96x = 439,237.44 × 71,207.04
  4. Step 4: Simplify right side
    292,824.96x = 31,276,797,959.58
  5. Step 5: Solve for x
    x = 31,276,797,959.58/292,824.96
  6. Step 6: Final answer
    x = 106,810.56

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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.