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Finding the Fourth Proportional to 240,754.08, 360,934.04 and 90,909.34

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Solution

The fourth proportional to 240,754.08, 360,934.04 and 90,909.34 is: 136,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,754.08 : 360,934.04 = 90,909.34 : x
  2. Step 2: Convert to fraction form
    240,754.08/360,934.04 = 90,909.34/x
  3. Step 3: Cross multiply
    240,754.08x = 360,934.04 × 90,909.34
  4. Step 4: Simplify right side
    240,754.08x = 32,812,275,359.93
  5. Step 5: Solve for x
    x = 32,812,275,359.93/240,754.08
  6. Step 6: Final answer
    x = 136,289.59

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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.