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Finding the Fourth Proportional to 206,651.52, 310,029.28 and 58,907.52

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Solution

The fourth proportional to 206,651.52, 310,029.28 and 58,907.52 is: 88,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,651.52 : 310,029.28 = 58,907.52 : x
  2. Step 2: Convert to fraction form
    206,651.52/310,029.28 = 58,907.52/x
  3. Step 3: Cross multiply
    206,651.52x = 310,029.28 × 58,907.52
  4. Step 4: Simplify right side
    206,651.52x = 18,263,056,012.19
  5. Step 5: Solve for x
    x = 18,263,056,012.19/206,651.52
  6. Step 6: Final answer
    x = 88,376.10

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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.