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Finding the Fourth Proportional to 230,935.30, 346,230.15 and 125,872.90

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Solution

The fourth proportional to 230,935.30, 346,230.15 and 125,872.90 is: 188,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,935.30 : 346,230.15 = 125,872.90 : x
  2. Step 2: Convert to fraction form
    230,935.30/346,230.15 = 125,872.90/x
  3. Step 3: Cross multiply
    230,935.30x = 346,230.15 × 125,872.90
  4. Step 4: Simplify right side
    230,935.30x = 43,580,993,047.94
  5. Step 5: Solve for x
    x = 43,580,993,047.94/230,935.30
  6. Step 6: Final answer
    x = 188,715.16

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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.