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Finding the Fourth Proportional to 68,155.83, 94,063.89 and 39,095.56

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Solution

The fourth proportional to 68,155.83, 94,063.89 and 39,095.56 is: 53,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,155.83 : 94,063.89 = 39,095.56 : x
  2. Step 2: Convert to fraction form
    68,155.83/94,063.89 = 39,095.56/x
  3. Step 3: Cross multiply
    68,155.83x = 94,063.89 × 39,095.56
  4. Step 4: Simplify right side
    68,155.83x = 3,677,480,455.33
  5. Step 5: Solve for x
    x = 3,677,480,455.33/68,155.83
  6. Step 6: Final answer
    x = 53,956.95

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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.