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Finding the Fourth Proportional to 114,816.32, 158,449.16 and 63,827.09

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Solution

The fourth proportional to 114,816.32, 158,449.16 and 63,827.09 is: 88,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,816.32 : 158,449.16 = 63,827.09 : x
  2. Step 2: Convert to fraction form
    114,816.32/158,449.16 = 63,827.09/x
  3. Step 3: Cross multiply
    114,816.32x = 158,449.16 × 63,827.09
  4. Step 4: Simplify right side
    114,816.32x = 10,113,348,757.25
  5. Step 5: Solve for x
    x = 10,113,348,757.25/114,816.32
  6. Step 6: Final answer
    x = 88,082.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.