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Finding the Fourth Proportional to 206,588.61, 310,013.97 and 88,260.84

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Solution

The fourth proportional to 206,588.61, 310,013.97 and 88,260.84 is: 132,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,588.61 : 310,013.97 = 88,260.84 : x
  2. Step 2: Convert to fraction form
    206,588.61/310,013.97 = 88,260.84/x
  3. Step 3: Cross multiply
    206,588.61x = 310,013.97 × 88,260.84
  4. Step 4: Simplify right side
    206,588.61x = 27,362,093,403.93
  5. Step 5: Solve for x
    x = 27,362,093,403.93/206,588.61
  6. Step 6: Final answer
    x = 132,447.25

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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.