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Finding the Fourth Proportional to 60,508.46, 90,695.43 and 45,669.26

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Solution

The fourth proportional to 60,508.46, 90,695.43 and 45,669.26 is: 68,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,508.46 : 90,695.43 = 45,669.26 : x
  2. Step 2: Convert to fraction form
    60,508.46/90,695.43 = 45,669.26/x
  3. Step 3: Cross multiply
    60,508.46x = 90,695.43 × 45,669.26
  4. Step 4: Simplify right side
    60,508.46x = 4,141,993,173.48
  5. Step 5: Solve for x
    x = 4,141,993,173.48/60,508.46
  6. Step 6: Final answer
    x = 68,453.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.