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Finding the Fourth Proportional to 150,445.60, 225,603.60 and 75,536.80

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Solution

The fourth proportional to 150,445.60, 225,603.60 and 75,536.80 is: 113,272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,445.60 : 225,603.60 = 75,536.80 : x
  2. Step 2: Convert to fraction form
    150,445.60/225,603.60 = 75,536.80/x
  3. Step 3: Cross multiply
    150,445.60x = 225,603.60 × 75,536.80
  4. Step 4: Simplify right side
    150,445.60x = 17,041,374,012.48
  5. Step 5: Solve for x
    x = 17,041,374,012.48/150,445.60
  6. Step 6: Final answer
    x = 113,272.66

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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.