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Finding the Fourth Proportional to 114,305.44, 171,456.88 and 40,416.16

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Solution

The fourth proportional to 114,305.44, 171,456.88 and 40,416.16 is: 60,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,305.44 : 171,456.88 = 40,416.16 : x
  2. Step 2: Convert to fraction form
    114,305.44/171,456.88 = 40,416.16/x
  3. Step 3: Cross multiply
    114,305.44x = 171,456.88 × 40,416.16
  4. Step 4: Simplify right side
    114,305.44x = 6,929,628,695.18
  5. Step 5: Solve for x
    x = 6,929,628,695.18/114,305.44
  6. Step 6: Final answer
    x = 60,623.79

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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.