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Finding the Fourth Proportional to 114,213.84, 171,009.72 and 88,825.20

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Solution

The fourth proportional to 114,213.84, 171,009.72 and 88,825.20 is: 132,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,213.84 : 171,009.72 = 88,825.20 : x
  2. Step 2: Convert to fraction form
    114,213.84/171,009.72 = 88,825.20/x
  3. Step 3: Cross multiply
    114,213.84x = 171,009.72 × 88,825.20
  4. Step 4: Simplify right side
    114,213.84x = 15,189,972,580.94
  5. Step 5: Solve for x
    x = 15,189,972,580.94/114,213.84
  6. Step 6: Final answer
    x = 132,995.90

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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.