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Finding the Fourth Proportional to 195,655.20, 293,482.80 and 70,951.20

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Solution

The fourth proportional to 195,655.20, 293,482.80 and 70,951.20 is: 106,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,655.20 : 293,482.80 = 70,951.20 : x
  2. Step 2: Convert to fraction form
    195,655.20/293,482.80 = 70,951.20/x
  3. Step 3: Cross multiply
    195,655.20x = 293,482.80 × 70,951.20
  4. Step 4: Simplify right side
    195,655.20x = 20,822,956,839.36
  5. Step 5: Solve for x
    x = 20,822,956,839.36/195,655.20
  6. Step 6: Final answer
    x = 106,426.80

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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.