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Finding the Fourth Proportional to 109,885.57, 151,643.00 and 59,584.57

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Solution

The fourth proportional to 109,885.57, 151,643.00 and 59,584.57 is: 82,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,885.57 : 151,643.00 = 59,584.57 : x
  2. Step 2: Convert to fraction form
    109,885.57/151,643.00 = 59,584.57/x
  3. Step 3: Cross multiply
    109,885.57x = 151,643.00 × 59,584.57
  4. Step 4: Simplify right side
    109,885.57x = 9,035,582,718.36
  5. Step 5: Solve for x
    x = 9,035,582,718.36/109,885.57
  6. Step 6: Final answer
    x = 82,227.20

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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.