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Finding the Fourth Proportional to 67,399.92, 101,070.60 and 35,803.02

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Solution

The fourth proportional to 67,399.92, 101,070.60 and 35,803.02 is: 53,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,399.92 : 101,070.60 = 35,803.02 : x
  2. Step 2: Convert to fraction form
    67,399.92/101,070.60 = 35,803.02/x
  3. Step 3: Cross multiply
    67,399.92x = 101,070.60 × 35,803.02
  4. Step 4: Simplify right side
    67,399.92x = 3,618,632,713.21
  5. Step 5: Solve for x
    x = 3,618,632,713.21/67,399.92
  6. Step 6: Final answer
    x = 53,688.98

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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.