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Finding the Fourth Proportional to 168,600.84, 253,043.16 and 84,335.76

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Solution

The fourth proportional to 168,600.84, 253,043.16 and 84,335.76 is: 126,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,600.84 : 253,043.16 = 84,335.76 : x
  2. Step 2: Convert to fraction form
    168,600.84/253,043.16 = 84,335.76/x
  3. Step 3: Cross multiply
    168,600.84x = 253,043.16 × 84,335.76
  4. Step 4: Simplify right side
    168,600.84x = 21,340,587,211.40
  5. Step 5: Solve for x
    x = 21,340,587,211.40/168,600.84
  6. Step 6: Final answer
    x = 126,574.62

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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.