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Finding the Fourth Proportional to 216,057.73, 298,176.65 and 119,280.82

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Solution

The fourth proportional to 216,057.73, 298,176.65 and 119,280.82 is: 164,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,057.73 : 298,176.65 = 119,280.82 : x
  2. Step 2: Convert to fraction form
    216,057.73/298,176.65 = 119,280.82/x
  3. Step 3: Cross multiply
    216,057.73x = 298,176.65 × 119,280.82
  4. Step 4: Simplify right side
    216,057.73x = 35,566,755,316.85
  5. Step 5: Solve for x
    x = 35,566,755,316.85/216,057.73
  6. Step 6: Final answer
    x = 164,616.91

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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.