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Finding the Fourth Proportional to 114,281.38, 171,422.10 and 39,422.98

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Solution

The fourth proportional to 114,281.38, 171,422.10 and 39,422.98 is: 59,134.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,281.38 : 171,422.10 = 39,422.98 : x
  2. Step 2: Convert to fraction form
    114,281.38/171,422.10 = 39,422.98/x
  3. Step 3: Cross multiply
    114,281.38x = 171,422.10 × 39,422.98
  4. Step 4: Simplify right side
    114,281.38x = 6,757,970,019.86
  5. Step 5: Solve for x
    x = 6,757,970,019.86/114,281.38
  6. Step 6: Final answer
    x = 59,134.48

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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.