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Finding the Fourth Proportional to 150,483.40, 225,647.34 and 75,522.76

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Solution

The fourth proportional to 150,483.40, 225,647.34 and 75,522.76 is: 113,245.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,483.40 : 225,647.34 = 75,522.76 : x
  2. Step 2: Convert to fraction form
    150,483.40/225,647.34 = 75,522.76/x
  3. Step 3: Cross multiply
    150,483.40x = 225,647.34 × 75,522.76
  4. Step 4: Simplify right side
    150,483.40x = 17,041,509,903.46
  5. Step 5: Solve for x
    x = 17,041,509,903.46/150,483.40
  6. Step 6: Final answer
    x = 113,245.11

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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.