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Finding the Fourth Proportional to 292,105.62, 437,955.39 and 114,630.30

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Solution

The fourth proportional to 292,105.62, 437,955.39 and 114,630.30 is: 171,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,105.62 : 437,955.39 = 114,630.30 : x
  2. Step 2: Convert to fraction form
    292,105.62/437,955.39 = 114,630.30/x
  3. Step 3: Cross multiply
    292,105.62x = 437,955.39 × 114,630.30
  4. Step 4: Simplify right side
    292,105.62x = 50,202,957,742.32
  5. Step 5: Solve for x
    x = 50,202,957,742.32/292,105.62
  6. Step 6: Final answer
    x = 171,865.77

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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.