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Finding the Fourth Proportional to 61,176.69, 91,764.06 and 16,803.45

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Solution

The fourth proportional to 61,176.69, 91,764.06 and 16,803.45 is: 25,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,176.69 : 91,764.06 = 16,803.45 : x
  2. Step 2: Convert to fraction form
    61,176.69/91,764.06 = 16,803.45/x
  3. Step 3: Cross multiply
    61,176.69x = 91,764.06 × 16,803.45
  4. Step 4: Simplify right side
    61,176.69x = 1,541,952,794.01
  5. Step 5: Solve for x
    x = 1,541,952,794.01/61,176.69
  6. Step 6: Final answer
    x = 25,204.91

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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.