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Finding the Fourth Proportional to 109,362, 150,876.36 and 69,060.72

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Solution

The fourth proportional to 109,362, 150,876.36 and 69,060.72 is: 95,276.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,362 : 150,876.36 = 69,060.72 : x
  2. Step 2: Convert to fraction form
    109,362/150,876.36 = 69,060.72/x
  3. Step 3: Cross multiply
    109,362x = 150,876.36 × 69,060.72
  4. Step 4: Simplify right side
    109,362x = 10,419,630,052.58
  5. Step 5: Solve for x
    x = 10,419,630,052.58/109,362
  6. Step 6: Final answer
    x = 95,276.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.