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Finding the Fourth Proportional to 59,102.58, 81,591.66 and 45,643.62

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Solution

The fourth proportional to 59,102.58, 81,591.66 and 45,643.62 is: 63,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,102.58 : 81,591.66 = 45,643.62 : x
  2. Step 2: Convert to fraction form
    59,102.58/81,591.66 = 45,643.62/x
  3. Step 3: Cross multiply
    59,102.58x = 81,591.66 × 45,643.62
  4. Step 4: Simplify right side
    59,102.58x = 3,724,138,724.21
  5. Step 5: Solve for x
    x = 3,724,138,724.21/59,102.58
  6. Step 6: Final answer
    x = 63,011.44

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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.