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Finding the Fourth Proportional to 75,612.92, 113,419.36 and 75,503.56

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Solution

The fourth proportional to 75,612.92, 113,419.36 and 75,503.56 is: 113,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,612.92 : 113,419.36 = 75,503.56 : x
  2. Step 2: Convert to fraction form
    75,612.92/113,419.36 = 75,503.56/x
  3. Step 3: Cross multiply
    75,612.92x = 113,419.36 × 75,503.56
  4. Step 4: Simplify right side
    75,612.92x = 8,563,565,452.92
  5. Step 5: Solve for x
    x = 8,563,565,452.92/75,612.92
  6. Step 6: Final answer
    x = 113,255.32

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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.