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Finding the Fourth Proportional to 195,439.40, 293,159.10 and 84,847.40

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Solution

The fourth proportional to 195,439.40, 293,159.10 and 84,847.40 is: 127,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,439.40 : 293,159.10 = 84,847.40 : x
  2. Step 2: Convert to fraction form
    195,439.40/293,159.10 = 84,847.40/x
  3. Step 3: Cross multiply
    195,439.40x = 293,159.10 × 84,847.40
  4. Step 4: Simplify right side
    195,439.40x = 24,873,787,421.34
  5. Step 5: Solve for x
    x = 24,873,787,421.34/195,439.40
  6. Step 6: Final answer
    x = 127,271.10

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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.