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Finding the Fourth Proportional to 88,264, 121,807.02 and 50,022.60

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Solution

The fourth proportional to 88,264, 121,807.02 and 50,022.60 is: 69,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,264 : 121,807.02 = 50,022.60 : x
  2. Step 2: Convert to fraction form
    88,264/121,807.02 = 50,022.60/x
  3. Step 3: Cross multiply
    88,264x = 121,807.02 × 50,022.60
  4. Step 4: Simplify right side
    88,264x = 6,093,103,838.65
  5. Step 5: Solve for x
    x = 6,093,103,838.65/88,264
  6. Step 6: Final answer
    x = 69,032.72

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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.