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Finding the Fourth Proportional to 216,062.73, 298,166.13 and 120,563.73

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Solution

The fourth proportional to 216,062.73, 298,166.13 and 120,563.73 is: 166,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,062.73 : 298,166.13 = 120,563.73 : x
  2. Step 2: Convert to fraction form
    216,062.73/298,166.13 = 120,563.73/x
  3. Step 3: Cross multiply
    216,062.73x = 298,166.13 × 120,563.73
  4. Step 4: Simplify right side
    216,062.73x = 35,948,020,792.46
  5. Step 5: Solve for x
    x = 35,948,020,792.46/216,062.73
  6. Step 6: Final answer
    x = 166,377.70

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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.