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Finding the Fourth Proportional to 89,894.67, 134,924.82 and 45,552.84

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Solution

The fourth proportional to 89,894.67, 134,924.82 and 45,552.84 is: 68,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,894.67 : 134,924.82 = 45,552.84 : x
  2. Step 2: Convert to fraction form
    89,894.67/134,924.82 = 45,552.84/x
  3. Step 3: Cross multiply
    89,894.67x = 134,924.82 × 45,552.84
  4. Step 4: Simplify right side
    89,894.67x = 6,146,208,737.49
  5. Step 5: Solve for x
    x = 6,146,208,737.49/89,894.67
  6. Step 6: Final answer
    x = 68,371.23

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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.