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Finding the Fourth Proportional to 88,986.77, 122,801.79 and 48,700.51

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Solution

The fourth proportional to 88,986.77, 122,801.79 and 48,700.51 is: 67,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,986.77 : 122,801.79 = 48,700.51 : x
  2. Step 2: Convert to fraction form
    88,986.77/122,801.79 = 48,700.51/x
  3. Step 3: Cross multiply
    88,986.77x = 122,801.79 × 48,700.51
  4. Step 4: Simplify right side
    88,986.77x = 5,980,509,403.59
  5. Step 5: Solve for x
    x = 5,980,509,403.59/88,986.77
  6. Step 6: Final answer
    x = 67,206.73

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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.