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Finding the Fourth Proportional to 148,599.32, 222,932.10 and 69,671.48

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Solution

The fourth proportional to 148,599.32, 222,932.10 and 69,671.48 is: 104,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,599.32 : 222,932.10 = 69,671.48 : x
  2. Step 2: Convert to fraction form
    148,599.32/222,932.10 = 69,671.48/x
  3. Step 3: Cross multiply
    148,599.32x = 222,932.10 × 69,671.48
  4. Step 4: Simplify right side
    148,599.32x = 15,532,009,346.51
  5. Step 5: Solve for x
    x = 15,532,009,346.51/148,599.32
  6. Step 6: Final answer
    x = 104,522.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.