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Finding the Fourth Proportional to 60,510.60, 90,768.87 and 16,137.75

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Solution

The fourth proportional to 60,510.60, 90,768.87 and 16,137.75 is: 24,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,510.60 : 90,768.87 = 16,137.75 : x
  2. Step 2: Convert to fraction form
    60,510.60/90,768.87 = 16,137.75/x
  3. Step 3: Cross multiply
    60,510.60x = 90,768.87 × 16,137.75
  4. Step 4: Simplify right side
    60,510.60x = 1,464,805,331.84
  5. Step 5: Solve for x
    x = 1,464,805,331.84/60,510.60
  6. Step 6: Final answer
    x = 24,207.42

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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.