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Finding the Fourth Proportional to 73,468.17, 110,331.47 and 72,416.37

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Solution

The fourth proportional to 73,468.17, 110,331.47 and 72,416.37 is: 108,751.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,468.17 : 110,331.47 = 72,416.37 : x
  2. Step 2: Convert to fraction form
    73,468.17/110,331.47 = 72,416.37/x
  3. Step 3: Cross multiply
    73,468.17x = 110,331.47 × 72,416.37
  4. Step 4: Simplify right side
    73,468.17x = 7,989,804,192.08
  5. Step 5: Solve for x
    x = 7,989,804,192.08/73,468.17
  6. Step 6: Final answer
    x = 108,751.92

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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.