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Finding the Fourth Proportional to 108,659.80, 152,227.40 and 108,659.80

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Solution

The fourth proportional to 108,659.80, 152,227.40 and 108,659.80 is: 152,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,659.80 : 152,227.40 = 108,659.80 : x
  2. Step 2: Convert to fraction form
    108,659.80/152,227.40 = 108,659.80/x
  3. Step 3: Cross multiply
    108,659.80x = 152,227.40 × 108,659.80
  4. Step 4: Simplify right side
    108,659.80x = 16,540,998,838.52
  5. Step 5: Solve for x
    x = 16,540,998,838.52/108,659.80
  6. Step 6: Final answer
    x = 152,227.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.