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Finding the Fourth Proportional to 73,201.61, 109,828.76 and 28,803.77

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Solution

The fourth proportional to 73,201.61, 109,828.76 and 28,803.77 is: 43,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,201.61 : 109,828.76 = 28,803.77 : x
  2. Step 2: Convert to fraction form
    73,201.61/109,828.76 = 28,803.77/x
  3. Step 3: Cross multiply
    73,201.61x = 109,828.76 × 28,803.77
  4. Step 4: Simplify right side
    73,201.61x = 3,163,482,198.41
  5. Step 5: Solve for x
    x = 3,163,482,198.41/73,201.61
  6. Step 6: Final answer
    x = 43,216.02

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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.