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Finding the Fourth Proportional to 114,412.84, 171,500.12 and 38,454.99

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Solution

The fourth proportional to 114,412.84, 171,500.12 and 38,454.99 is: 57,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,412.84 : 171,500.12 = 38,454.99 : x
  2. Step 2: Convert to fraction form
    114,412.84/171,500.12 = 38,454.99/x
  3. Step 3: Cross multiply
    114,412.84x = 171,500.12 × 38,454.99
  4. Step 4: Simplify right side
    114,412.84x = 6,595,035,399.60
  5. Step 5: Solve for x
    x = 6,595,035,399.60/114,412.84
  6. Step 6: Final answer
    x = 57,642.44

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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.