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Finding the Fourth Proportional to 230,923.40, 346,385.10 and 104,563.40

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Solution

The fourth proportional to 230,923.40, 346,385.10 and 104,563.40 is: 156,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,923.40 : 346,385.10 = 104,563.40 : x
  2. Step 2: Convert to fraction form
    230,923.40/346,385.10 = 104,563.40/x
  3. Step 3: Cross multiply
    230,923.40x = 346,385.10 × 104,563.40
  4. Step 4: Simplify right side
    230,923.40x = 36,219,203,765.34
  5. Step 5: Solve for x
    x = 36,219,203,765.34/230,923.40
  6. Step 6: Final answer
    x = 156,845.10

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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.