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Finding the Fourth Proportional to 88,669.93, 122,367.46 and 48,385.91

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Solution

The fourth proportional to 88,669.93, 122,367.46 and 48,385.91 is: 66,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,669.93 : 122,367.46 = 48,385.91 : x
  2. Step 2: Convert to fraction form
    88,669.93/122,367.46 = 48,385.91/x
  3. Step 3: Cross multiply
    88,669.93x = 122,367.46 × 48,385.91
  4. Step 4: Simplify right side
    88,669.93x = 5,920,860,052.72
  5. Step 5: Solve for x
    x = 5,920,860,052.72/88,669.93
  6. Step 6: Final answer
    x = 66,774.16

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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.