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Finding the Fourth Proportional to 88,093.14, 121,569.03 and 47,806.98

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Solution

The fourth proportional to 88,093.14, 121,569.03 and 47,806.98 is: 65,973.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,093.14 : 121,569.03 = 47,806.98 : x
  2. Step 2: Convert to fraction form
    88,093.14/121,569.03 = 47,806.98/x
  3. Step 3: Cross multiply
    88,093.14x = 121,569.03 × 47,806.98
  4. Step 4: Simplify right side
    88,093.14x = 5,811,848,185.83
  5. Step 5: Solve for x
    x = 5,811,848,185.83/88,093.14
  6. Step 6: Final answer
    x = 65,973.90

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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.