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Finding the Fourth Proportional to 88,908.17, 122,737.88 and 68,719.46

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Solution

The fourth proportional to 88,908.17, 122,737.88 and 68,719.46 is: 94,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,908.17 : 122,737.88 = 68,719.46 : x
  2. Step 2: Convert to fraction form
    88,908.17/122,737.88 = 68,719.46/x
  3. Step 3: Cross multiply
    88,908.17x = 122,737.88 × 68,719.46
  4. Step 4: Simplify right side
    88,908.17x = 8,434,480,393.25
  5. Step 5: Solve for x
    x = 8,434,480,393.25/88,908.17
  6. Step 6: Final answer
    x = 94,867.33

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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.