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Finding the Fourth Proportional to 75,653.68, 113,480.54 and 75,544.36

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Solution

The fourth proportional to 75,653.68, 113,480.54 and 75,544.36 is: 113,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,653.68 : 113,480.54 = 75,544.36 : x
  2. Step 2: Convert to fraction form
    75,653.68/113,480.54 = 75,544.36/x
  3. Step 3: Cross multiply
    75,653.68x = 113,480.54 × 75,544.36
  4. Step 4: Simplify right side
    75,653.68x = 8,572,814,766.75
  5. Step 5: Solve for x
    x = 8,572,814,766.75/75,653.68
  6. Step 6: Final answer
    x = 113,316.56

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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.