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Finding the Fourth Proportional to 229,387.58, 344,081.37 and 71,629.55

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Solution

The fourth proportional to 229,387.58, 344,081.37 and 71,629.55 is: 107,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,387.58 : 344,081.37 = 71,629.55 : x
  2. Step 2: Convert to fraction form
    229,387.58/344,081.37 = 71,629.55/x
  3. Step 3: Cross multiply
    229,387.58x = 344,081.37 × 71,629.55
  4. Step 4: Simplify right side
    229,387.58x = 24,646,393,696.48
  5. Step 5: Solve for x
    x = 24,646,393,696.48/229,387.58
  6. Step 6: Final answer
    x = 107,444.33

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1.5x scale

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.