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Finding the Fourth Proportional to 73,318.99, 109,976.16 and 23,402.14

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Solution

The fourth proportional to 73,318.99, 109,976.16 and 23,402.14 is: 35,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,318.99 : 109,976.16 = 23,402.14 : x
  2. Step 2: Convert to fraction form
    73,318.99/109,976.16 = 23,402.14/x
  3. Step 3: Cross multiply
    73,318.99x = 109,976.16 × 23,402.14
  4. Step 4: Simplify right side
    73,318.99x = 2,573,677,492.98
  5. Step 5: Solve for x
    x = 2,573,677,492.98/73,318.99
  6. Step 6: Final answer
    x = 35,102.47

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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.