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Finding the Fourth Proportional to 206,316.37, 309,475.62 and 93,917.98

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Solution

The fourth proportional to 206,316.37, 309,475.62 and 93,917.98 is: 140,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,316.37 : 309,475.62 = 93,917.98 : x
  2. Step 2: Convert to fraction form
    206,316.37/309,475.62 = 93,917.98/x
  3. Step 3: Cross multiply
    206,316.37x = 309,475.62 × 93,917.98
  4. Step 4: Simplify right side
    206,316.37x = 29,065,326,175.84
  5. Step 5: Solve for x
    x = 29,065,326,175.84/206,316.37
  6. Step 6: Final answer
    x = 140,877.46

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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.