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Finding the Fourth Proportional to 94,686.93, 142,019.91 and 33,894.78

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Solution

The fourth proportional to 94,686.93, 142,019.91 and 33,894.78 is: 50,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,686.93 : 142,019.91 = 33,894.78 : x
  2. Step 2: Convert to fraction form
    94,686.93/142,019.91 = 33,894.78/x
  3. Step 3: Cross multiply
    94,686.93x = 142,019.91 × 33,894.78
  4. Step 4: Simplify right side
    94,686.93x = 4,813,733,605.07
  5. Step 5: Solve for x
    x = 4,813,733,605.07/94,686.93
  6. Step 6: Final answer
    x = 50,838.42

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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.