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Finding the Fourth Proportional to 109,585.56, 151,228.08 and 59,284.56

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Solution

The fourth proportional to 109,585.56, 151,228.08 and 59,284.56 is: 81,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,585.56 : 151,228.08 = 59,284.56 : x
  2. Step 2: Convert to fraction form
    109,585.56/151,228.08 = 59,284.56/x
  3. Step 3: Cross multiply
    109,585.56x = 151,228.08 × 59,284.56
  4. Step 4: Simplify right side
    109,585.56x = 8,965,490,182.44
  5. Step 5: Solve for x
    x = 8,965,490,182.44/109,585.56
  6. Step 6: Final answer
    x = 81,812.70

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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.