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Finding the Fourth Proportional to 195,540.80, 293,080.80 and 101,998.40

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Solution

The fourth proportional to 195,540.80, 293,080.80 and 101,998.40 is: 152,877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,540.80 : 293,080.80 = 101,998.40 : x
  2. Step 2: Convert to fraction form
    195,540.80/293,080.80 = 101,998.40/x
  3. Step 3: Cross multiply
    195,540.80x = 293,080.80 × 101,998.40
  4. Step 4: Simplify right side
    195,540.80x = 29,893,772,670.72
  5. Step 5: Solve for x
    x = 29,893,772,670.72/195,540.80
  6. Step 6: Final answer
    x = 152,877.42

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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.