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Finding the Fourth Proportional to 195,655.40, 293,410.20 and 69,246.80

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Solution

The fourth proportional to 195,655.40, 293,410.20 and 69,246.80 is: 103,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,655.40 : 293,410.20 = 69,246.80 : x
  2. Step 2: Convert to fraction form
    195,655.40/293,410.20 = 69,246.80/x
  3. Step 3: Cross multiply
    195,655.40x = 293,410.20 × 69,246.80
  4. Step 4: Simplify right side
    195,655.40x = 20,317,717,437.36
  5. Step 5: Solve for x
    x = 20,317,717,437.36/195,655.40
  6. Step 6: Final answer
    x = 103,844.40

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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.