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Finding the Fourth Proportional to 240,617.58, 360,551.88 and 90,775.98

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Solution

The fourth proportional to 240,617.58, 360,551.88 and 90,775.98 is: 136,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,617.58 : 360,551.88 = 90,775.98 : x
  2. Step 2: Convert to fraction form
    240,617.58/360,551.88 = 90,775.98/x
  3. Step 3: Cross multiply
    240,617.58x = 360,551.88 × 90,775.98
  4. Step 4: Simplify right side
    240,617.58x = 32,729,450,247.84
  5. Step 5: Solve for x
    x = 32,729,450,247.84/240,617.58
  6. Step 6: Final answer
    x = 136,022.69

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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.