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Finding the Fourth Proportional to 101,433.60, 151,417.44 and 88,992

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Solution

The fourth proportional to 101,433.60, 151,417.44 and 88,992 is: 132,844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,433.60 : 151,417.44 = 88,992 : x
  2. Step 2: Convert to fraction form
    101,433.60/151,417.44 = 88,992/x
  3. Step 3: Cross multiply
    101,433.60x = 151,417.44 × 88,992
  4. Step 4: Simplify right side
    101,433.60x = 13,474,940,820.48
  5. Step 5: Solve for x
    x = 13,474,940,820.48/101,433.60
  6. Step 6: Final answer
    x = 132,844.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.