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Finding the Fourth Proportional to 292,043.40, 437,546.70 and 181,105.80

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Solution

The fourth proportional to 292,043.40, 437,546.70 and 181,105.80 is: 271,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,043.40 : 437,546.70 = 181,105.80 : x
  2. Step 2: Convert to fraction form
    292,043.40/437,546.70 = 181,105.80/x
  3. Step 3: Cross multiply
    292,043.40x = 437,546.70 × 181,105.80
  4. Step 4: Simplify right side
    292,043.40x = 79,242,245,140.86
  5. Step 5: Solve for x
    x = 79,242,245,140.86/292,043.40
  6. Step 6: Final answer
    x = 271,337.22

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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.