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Finding the Fourth Proportional to 107,646.80, 161,418.36 and 37,524.56

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Solution

The fourth proportional to 107,646.80, 161,418.36 and 37,524.56 is: 56,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,646.80 : 161,418.36 = 37,524.56 : x
  2. Step 2: Convert to fraction form
    107,646.80/161,418.36 = 37,524.56/x
  3. Step 3: Cross multiply
    107,646.80x = 161,418.36 × 37,524.56
  4. Step 4: Simplify right side
    107,646.80x = 6,057,152,934.92
  5. Step 5: Solve for x
    x = 6,057,152,934.92/107,646.80
  6. Step 6: Final answer
    x = 56,268.77

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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.