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Finding the Fourth Proportional to 88,093.77, 121,569.48 and 47,807.54

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Solution

The fourth proportional to 88,093.77, 121,569.48 and 47,807.54 is: 65,974.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,093.77 : 121,569.48 = 47,807.54 : x
  2. Step 2: Convert to fraction form
    88,093.77/121,569.48 = 47,807.54/x
  3. Step 3: Cross multiply
    88,093.77x = 121,569.48 × 47,807.54
  4. Step 4: Simplify right side
    88,093.77x = 5,811,937,050.51
  5. Step 5: Solve for x
    x = 5,811,937,050.51/88,093.77
  6. Step 6: Final answer
    x = 65,974.44

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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.