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Finding the Fourth Proportional to 240,479.80, 360,849.30 and 100,252.60

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Solution

The fourth proportional to 240,479.80, 360,849.30 and 100,252.60 is: 150,432.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,479.80 : 360,849.30 = 100,252.60 : x
  2. Step 2: Convert to fraction form
    240,479.80/360,849.30 = 100,252.60/x
  3. Step 3: Cross multiply
    240,479.80x = 360,849.30 × 100,252.60
  4. Step 4: Simplify right side
    240,479.80x = 36,176,080,533.18
  5. Step 5: Solve for x
    x = 36,176,080,533.18/240,479.80
  6. Step 6: Final answer
    x = 150,432.93

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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.