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Finding the Fourth Proportional to 88,277.94, 121,825.94 and 47,994.41

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Solution

The fourth proportional to 88,277.94, 121,825.94 and 47,994.41 is: 66,233.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,277.94 : 121,825.94 = 47,994.41 : x
  2. Step 2: Convert to fraction form
    88,277.94/121,825.94 = 47,994.41/x
  3. Step 3: Cross multiply
    88,277.94x = 121,825.94 × 47,994.41
  4. Step 4: Simplify right side
    88,277.94x = 5,846,963,263.89
  5. Step 5: Solve for x
    x = 5,846,963,263.89/88,277.94
  6. Step 6: Final answer
    x = 66,233.57

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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.