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Finding the Fourth Proportional to 67,832.95, 93,501.62 and 53,469.49

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Solution

The fourth proportional to 67,832.95, 93,501.62 and 53,469.49 is: 73,702.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,832.95 : 93,501.62 = 53,469.49 : x
  2. Step 2: Convert to fraction form
    67,832.95/93,501.62 = 53,469.49/x
  3. Step 3: Cross multiply
    67,832.95x = 93,501.62 × 53,469.49
  4. Step 4: Simplify right side
    67,832.95x = 4,999,483,935.57
  5. Step 5: Solve for x
    x = 4,999,483,935.57/67,832.95
  6. Step 6: Final answer
    x = 73,702.88

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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.