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Finding the Fourth Proportional to 150,482.40, 225,645.84 and 75,521.76

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Solution

The fourth proportional to 150,482.40, 225,645.84 and 75,521.76 is: 113,243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,482.40 : 225,645.84 = 75,521.76 : x
  2. Step 2: Convert to fraction form
    150,482.40/225,645.84 = 75,521.76/x
  3. Step 3: Cross multiply
    150,482.40x = 225,645.84 × 75,521.76
  4. Step 4: Simplify right side
    150,482.40x = 17,041,170,973.48
  5. Step 5: Solve for x
    x = 17,041,170,973.48/150,482.40
  6. Step 6: Final answer
    x = 113,243.62

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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.