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Finding the Fourth Proportional to 114,881.80, 172,322.76 and 36,002.17

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Solution

The fourth proportional to 114,881.80, 172,322.76 and 36,002.17 is: 54,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,881.80 : 172,322.76 = 36,002.17 : x
  2. Step 2: Convert to fraction form
    114,881.80/172,322.76 = 36,002.17/x
  3. Step 3: Cross multiply
    114,881.80x = 172,322.76 × 36,002.17
  4. Step 4: Simplify right side
    114,881.80x = 6,203,993,300.39
  5. Step 5: Solve for x
    x = 6,203,993,300.39/114,881.80
  6. Step 6: Final answer
    x = 54,003.27

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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.