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Finding the Fourth Proportional to 240,713.60, 360,973.20 and 82,860.80

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Solution

The fourth proportional to 240,713.60, 360,973.20 and 82,860.80 is: 124,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,713.60 : 360,973.20 = 82,860.80 : x
  2. Step 2: Convert to fraction form
    240,713.60/360,973.20 = 82,860.80/x
  3. Step 3: Cross multiply
    240,713.60x = 360,973.20 × 82,860.80
  4. Step 4: Simplify right side
    240,713.60x = 29,910,528,130.56
  5. Step 5: Solve for x
    x = 29,910,528,130.56/240,713.60
  6. Step 6: Final answer
    x = 124,257.74

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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.