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Finding the Fourth Proportional to 195,780.70, 293,561.70 and 83,441.80

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Solution

The fourth proportional to 195,780.70, 293,561.70 and 83,441.80 is: 125,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,780.70 : 293,561.70 = 83,441.80 : x
  2. Step 2: Convert to fraction form
    195,780.70/293,561.70 = 83,441.80/x
  3. Step 3: Cross multiply
    195,780.70x = 293,561.70 × 83,441.80
  4. Step 4: Simplify right side
    195,780.70x = 24,495,316,659.06
  5. Step 5: Solve for x
    x = 24,495,316,659.06/195,780.70
  6. Step 6: Final answer
    x = 125,116.09

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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.