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Finding the Fourth Proportional to 94,396, 141,594 and 38,993.44

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Solution

The fourth proportional to 94,396, 141,594 and 38,993.44 is: 58,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,396 : 141,594 = 38,993.44 : x
  2. Step 2: Convert to fraction form
    94,396/141,594 = 38,993.44/x
  3. Step 3: Cross multiply
    94,396x = 141,594 × 38,993.44
  4. Step 4: Simplify right side
    94,396x = 5,521,237,143.36
  5. Step 5: Solve for x
    x = 5,521,237,143.36/94,396
  6. Step 6: Final answer
    x = 58,490.16

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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.