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Finding the Fourth Proportional to 88,634.80, 122,327.82 and 56,372.44

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Solution

The fourth proportional to 88,634.80, 122,327.82 and 56,372.44 is: 77,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,634.80 : 122,327.82 = 56,372.44 : x
  2. Step 2: Convert to fraction form
    88,634.80/122,327.82 = 56,372.44/x
  3. Step 3: Cross multiply
    88,634.80x = 122,327.82 × 56,372.44
  4. Step 4: Simplify right side
    88,634.80x = 6,895,917,693.28
  5. Step 5: Solve for x
    x = 6,895,917,693.28/88,634.80
  6. Step 6: Final answer
    x = 77,801.47

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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.