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Finding the Fourth Proportional to 114,768.88, 158,380.80 and 63,781.44

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Solution

The fourth proportional to 114,768.88, 158,380.80 and 63,781.44 is: 88,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,768.88 : 158,380.80 = 63,781.44 : x
  2. Step 2: Convert to fraction form
    114,768.88/158,380.80 = 63,781.44/x
  3. Step 3: Cross multiply
    114,768.88x = 158,380.80 × 63,781.44
  4. Step 4: Simplify right side
    114,768.88x = 10,101,755,492.35
  5. Step 5: Solve for x
    x = 10,101,755,492.35/114,768.88
  6. Step 6: Final answer
    x = 88,018.25

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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.