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Finding the Fourth Proportional to 240,665.92, 360,994.02 and 82,890.88

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Solution

The fourth proportional to 240,665.92, 360,994.02 and 82,890.88 is: 124,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,665.92 : 360,994.02 = 82,890.88 : x
  2. Step 2: Convert to fraction form
    240,665.92/360,994.02 = 82,890.88/x
  3. Step 3: Cross multiply
    240,665.92x = 360,994.02 × 82,890.88
  4. Step 4: Simplify right side
    240,665.92x = 29,923,110,779.21
  5. Step 5: Solve for x
    x = 29,923,110,779.21/240,665.92
  6. Step 6: Final answer
    x = 124,334.64

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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.