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Finding the Fourth Proportional to 231,506.60, 347,279.10 and 73,730.60

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Solution

The fourth proportional to 231,506.60, 347,279.10 and 73,730.60 is: 110,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,506.60 : 347,279.10 = 73,730.60 : x
  2. Step 2: Convert to fraction form
    231,506.60/347,279.10 = 73,730.60/x
  3. Step 3: Cross multiply
    231,506.60x = 347,279.10 × 73,730.60
  4. Step 4: Simplify right side
    231,506.60x = 25,605,096,410.46
  5. Step 5: Solve for x
    x = 25,605,096,410.46/231,506.60
  6. Step 6: Final answer
    x = 110,602.01

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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.