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Finding the Fourth Proportional to 60,517, 90,777.66 and 16,146.28

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Solution

The fourth proportional to 60,517, 90,777.66 and 16,146.28 is: 24,220.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,517 : 90,777.66 = 16,146.28 : x
  2. Step 2: Convert to fraction form
    60,517/90,777.66 = 16,146.28/x
  3. Step 3: Cross multiply
    60,517x = 90,777.66 × 16,146.28
  4. Step 4: Simplify right side
    60,517x = 1,465,721,516.10
  5. Step 5: Solve for x
    x = 1,465,721,516.10/60,517
  6. Step 6: Final answer
    x = 24,220.00

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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.