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Finding the Fourth Proportional to 92,880.52, 128,183.10 and 52,601.38

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Solution

The fourth proportional to 92,880.52, 128,183.10 and 52,601.38 is: 72,594.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,880.52 : 128,183.10 = 52,601.38 : x
  2. Step 2: Convert to fraction form
    92,880.52/128,183.10 = 52,601.38/x
  3. Step 3: Cross multiply
    92,880.52x = 128,183.10 × 52,601.38
  4. Step 4: Simplify right side
    92,880.52x = 6,742,607,952.68
  5. Step 5: Solve for x
    x = 6,742,607,952.68/92,880.52
  6. Step 6: Final answer
    x = 72,594.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.