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Finding the Fourth Proportional to 240,266.96, 360,395.58 and 71,787.80

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Solution

The fourth proportional to 240,266.96, 360,395.58 and 71,787.80 is: 107,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,266.96 : 360,395.58 = 71,787.80 : x
  2. Step 2: Convert to fraction form
    240,266.96/360,395.58 = 71,787.80/x
  3. Step 3: Cross multiply
    240,266.96x = 360,395.58 × 71,787.80
  4. Step 4: Simplify right side
    240,266.96x = 25,872,005,817.92
  5. Step 5: Solve for x
    x = 25,872,005,817.92/240,266.96
  6. Step 6: Final answer
    x = 107,680.25

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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.