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Finding the Fourth Proportional to 88,679.96, 122,367.30 and 56,418.28

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Solution

The fourth proportional to 88,679.96, 122,367.30 and 56,418.28 is: 77,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,679.96 : 122,367.30 = 56,418.28 : x
  2. Step 2: Convert to fraction form
    88,679.96/122,367.30 = 56,418.28/x
  3. Step 3: Cross multiply
    88,679.96x = 122,367.30 × 56,418.28
  4. Step 4: Simplify right side
    88,679.96x = 6,903,752,594.24
  5. Step 5: Solve for x
    x = 6,903,752,594.24/88,679.96
  6. Step 6: Final answer
    x = 77,850.20

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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.