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Finding the Fourth Proportional to 73,572, 110,358.32 and 18,168

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Solution

The fourth proportional to 73,572, 110,358.32 and 18,168 is: 27,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,572 : 110,358.32 = 18,168 : x
  2. Step 2: Convert to fraction form
    73,572/110,358.32 = 18,168/x
  3. Step 3: Cross multiply
    73,572x = 110,358.32 × 18,168
  4. Step 4: Simplify right side
    73,572x = 2,004,989,957.76
  5. Step 5: Solve for x
    x = 2,004,989,957.76/73,572
  6. Step 6: Final answer
    x = 27,252.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.