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Finding the Fourth Proportional to 60,509.06, 90,768 and 16,135.64

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Solution

The fourth proportional to 60,509.06, 90,768 and 16,135.64 is: 24,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,509.06 : 90,768 = 16,135.64 : x
  2. Step 2: Convert to fraction form
    60,509.06/90,768 = 16,135.64/x
  3. Step 3: Cross multiply
    60,509.06x = 90,768 × 16,135.64
  4. Step 4: Simplify right side
    60,509.06x = 1,464,599,771.52
  5. Step 5: Solve for x
    x = 1,464,599,771.52/60,509.06
  6. Step 6: Final answer
    x = 24,204.64

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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.