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Finding the Fourth Proportional to 88,415.62, 122,013.48 and 48,129.33

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Solution

The fourth proportional to 88,415.62, 122,013.48 and 48,129.33 is: 66,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,415.62 : 122,013.48 = 48,129.33 : x
  2. Step 2: Convert to fraction form
    88,415.62/122,013.48 = 48,129.33/x
  3. Step 3: Cross multiply
    88,415.62x = 122,013.48 × 48,129.33
  4. Step 4: Simplify right side
    88,415.62x = 5,872,427,043.37
  5. Step 5: Solve for x
    x = 5,872,427,043.37/88,415.62
  6. Step 6: Final answer
    x = 66,418.43

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1.5x scale

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.