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Finding the Fourth Proportional to 73,722.02, 101,736.15 and 40,188.02

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Solution

The fourth proportional to 73,722.02, 101,736.15 and 40,188.02 is: 55,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,722.02 : 101,736.15 = 40,188.02 : x
  2. Step 2: Convert to fraction form
    73,722.02/101,736.15 = 40,188.02/x
  3. Step 3: Cross multiply
    73,722.02x = 101,736.15 × 40,188.02
  4. Step 4: Simplify right side
    73,722.02x = 4,088,574,430.92
  5. Step 5: Solve for x
    x = 4,088,574,430.92/73,722.02
  6. Step 6: Final answer
    x = 55,459.34

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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.