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Finding the Fourth Proportional to 73,643.88, 101,635.62 and 45,366.12

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Solution

The fourth proportional to 73,643.88, 101,635.62 and 45,366.12 is: 62,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,643.88 : 101,635.62 = 45,366.12 : x
  2. Step 2: Convert to fraction form
    73,643.88/101,635.62 = 45,366.12/x
  3. Step 3: Cross multiply
    73,643.88x = 101,635.62 × 45,366.12
  4. Step 4: Simplify right side
    73,643.88x = 4,610,813,733.19
  5. Step 5: Solve for x
    x = 4,610,813,733.19/73,643.88
  6. Step 6: Final answer
    x = 62,609.60

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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.