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Finding the Fourth Proportional to 60,294.92, 90,409.26 and 47,894.36

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Solution

The fourth proportional to 60,294.92, 90,409.26 and 47,894.36 is: 71,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,294.92 : 90,409.26 = 47,894.36 : x
  2. Step 2: Convert to fraction form
    60,294.92/90,409.26 = 47,894.36/x
  3. Step 3: Cross multiply
    60,294.92x = 90,409.26 × 47,894.36
  4. Step 4: Simplify right side
    60,294.92x = 4,330,093,645.77
  5. Step 5: Solve for x
    x = 4,330,093,645.77/60,294.92
  6. Step 6: Final answer
    x = 71,815.23

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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.