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Finding the Fourth Proportional to 216,436.59, 298,673.73 and 125,791.92

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Solution

The fourth proportional to 216,436.59, 298,673.73 and 125,791.92 is: 173,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,436.59 : 298,673.73 = 125,791.92 : x
  2. Step 2: Convert to fraction form
    216,436.59/298,673.73 = 125,791.92/x
  3. Step 3: Cross multiply
    216,436.59x = 298,673.73 × 125,791.92
  4. Step 4: Simplify right side
    216,436.59x = 37,570,741,950.26
  5. Step 5: Solve for x
    x = 37,570,741,950.26/216,436.59
  6. Step 6: Final answer
    x = 173,587.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.