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Finding the Fourth Proportional to 73,732.64, 110,598.93 and 18,328.64

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Solution

The fourth proportional to 73,732.64, 110,598.93 and 18,328.64 is: 27,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,732.64 : 110,598.93 = 18,328.64 : x
  2. Step 2: Convert to fraction form
    73,732.64/110,598.93 = 18,328.64/x
  3. Step 3: Cross multiply
    73,732.64x = 110,598.93 × 18,328.64
  4. Step 4: Simplify right side
    73,732.64x = 2,027,127,972.36
  5. Step 5: Solve for x
    x = 2,027,127,972.36/73,732.64
  6. Step 6: Final answer
    x = 27,492.95

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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.