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Finding the Fourth Proportional to 114,400.68, 171,609.78 and 38,499.59

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Solution

The fourth proportional to 114,400.68, 171,609.78 and 38,499.59 is: 57,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,400.68 : 171,609.78 = 38,499.59 : x
  2. Step 2: Convert to fraction form
    114,400.68/171,609.78 = 38,499.59/x
  3. Step 3: Cross multiply
    114,400.68x = 171,609.78 × 38,499.59
  4. Step 4: Simplify right side
    114,400.68x = 6,606,905,408.19
  5. Step 5: Solve for x
    x = 6,606,905,408.19/114,400.68
  6. Step 6: Final answer
    x = 57,752.33

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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.