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Finding the Fourth Proportional to 216,302.70, 298,496.03 and 125,711.70

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Solution

The fourth proportional to 216,302.70, 298,496.03 and 125,711.70 is: 173,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,302.70 : 298,496.03 = 125,711.70 : x
  2. Step 2: Convert to fraction form
    216,302.70/298,496.03 = 125,711.70/x
  3. Step 3: Cross multiply
    216,302.70x = 298,496.03 × 125,711.70
  4. Step 4: Simplify right side
    216,302.70x = 37,524,443,374.55
  5. Step 5: Solve for x
    x = 37,524,443,374.55/216,302.70
  6. Step 6: Final answer
    x = 173,481.16

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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.