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Finding the Fourth Proportional to 114,918.60, 172,383.30 and 36,035.40

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Solution

The fourth proportional to 114,918.60, 172,383.30 and 36,035.40 is: 54,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,918.60 : 172,383.30 = 36,035.40 : x
  2. Step 2: Convert to fraction form
    114,918.60/172,383.30 = 36,035.40/x
  3. Step 3: Cross multiply
    114,918.60x = 172,383.30 × 36,035.40
  4. Step 4: Simplify right side
    114,918.60x = 6,211,901,168.82
  5. Step 5: Solve for x
    x = 6,211,901,168.82/114,918.60
  6. Step 6: Final answer
    x = 54,054.79

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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.