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Finding the Fourth Proportional to 216,910.92, 325,356.79 and 59,139.38

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Solution

The fourth proportional to 216,910.92, 325,356.79 and 59,139.38 is: 88,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,910.92 : 325,356.79 = 59,139.38 : x
  2. Step 2: Convert to fraction form
    216,910.92/325,356.79 = 59,139.38/x
  3. Step 3: Cross multiply
    216,910.92x = 325,356.79 × 59,139.38
  4. Step 4: Simplify right side
    216,910.92x = 19,241,398,839.39
  5. Step 5: Solve for x
    x = 19,241,398,839.39/216,910.92
  6. Step 6: Final answer
    x = 88,706.46

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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.