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Finding the Fourth Proportional to 206,322.93, 309,485.54 and 93,924.52

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Solution

The fourth proportional to 206,322.93, 309,485.54 and 93,924.52 is: 140,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,322.93 : 309,485.54 = 93,924.52 : x
  2. Step 2: Convert to fraction form
    206,322.93/309,485.54 = 93,924.52/x
  3. Step 3: Cross multiply
    206,322.93x = 309,485.54 × 93,924.52
  4. Step 4: Simplify right side
    206,322.93x = 29,068,280,252.54
  5. Step 5: Solve for x
    x = 29,068,280,252.54/206,322.93
  6. Step 6: Final answer
    x = 140,887.30

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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.