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Finding the Fourth Proportional to 195,439.80, 293,159.70 and 101,933.40

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Solution

The fourth proportional to 195,439.80, 293,159.70 and 101,933.40 is: 152,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,439.80 : 293,159.70 = 101,933.40 : x
  2. Step 2: Convert to fraction form
    195,439.80/293,159.70 = 101,933.40/x
  3. Step 3: Cross multiply
    195,439.80x = 293,159.70 × 101,933.40
  4. Step 4: Simplify right side
    195,439.80x = 29,882,764,963.98
  5. Step 5: Solve for x
    x = 29,882,764,963.98/195,439.80
  6. Step 6: Final answer
    x = 152,900.10

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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.