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Finding the Fourth Proportional to 88,750.14, 122,480.16 and 48,467.64

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Solution

The fourth proportional to 88,750.14, 122,480.16 and 48,467.64 is: 66,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,750.14 : 122,480.16 = 48,467.64 : x
  2. Step 2: Convert to fraction form
    88,750.14/122,480.16 = 48,467.64/x
  3. Step 3: Cross multiply
    88,750.14x = 122,480.16 × 48,467.64
  4. Step 4: Simplify right side
    88,750.14x = 5,936,324,302.02
  5. Step 5: Solve for x
    x = 5,936,324,302.02/88,750.14
  6. Step 6: Final answer
    x = 66,888.06

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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.