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Finding the Fourth Proportional to 150,465.88, 225,672.90 and 45,256.60

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Solution

The fourth proportional to 150,465.88, 225,672.90 and 45,256.60 is: 67,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,465.88 : 225,672.90 = 45,256.60 : x
  2. Step 2: Convert to fraction form
    150,465.88/225,672.90 = 45,256.60/x
  3. Step 3: Cross multiply
    150,465.88x = 225,672.90 × 45,256.60
  4. Step 4: Simplify right side
    150,465.88x = 10,213,188,166.14
  5. Step 5: Solve for x
    x = 10,213,188,166.14/150,465.88
  6. Step 6: Final answer
    x = 67,877.10

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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.