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Finding the Fourth Proportional to 109,463.64, 151,060.04 and 59,162.64

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Solution

The fourth proportional to 109,463.64, 151,060.04 and 59,162.64 is: 81,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,463.64 : 151,060.04 = 59,162.64 : x
  2. Step 2: Convert to fraction form
    109,463.64/151,060.04 = 59,162.64/x
  3. Step 3: Cross multiply
    109,463.64x = 151,060.04 × 59,162.64
  4. Step 4: Simplify right side
    109,463.64x = 8,937,110,764.91
  5. Step 5: Solve for x
    x = 8,937,110,764.91/109,463.64
  6. Step 6: Final answer
    x = 81,644.56

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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.