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Finding the Fourth Proportional to 206,999.84, 310,499.72 and 88,594.40

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Solution

The fourth proportional to 206,999.84, 310,499.72 and 88,594.40 is: 132,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,999.84 : 310,499.72 = 88,594.40 : x
  2. Step 2: Convert to fraction form
    206,999.84/310,499.72 = 88,594.40/x
  3. Step 3: Cross multiply
    206,999.84x = 310,499.72 × 88,594.40
  4. Step 4: Simplify right side
    206,999.84x = 27,508,536,393.57
  5. Step 5: Solve for x
    x = 27,508,536,393.57/206,999.84
  6. Step 6: Final answer
    x = 132,891.58

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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.