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Finding the Fourth Proportional to 207,122.33, 310,680.32 and 93,189.66

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Solution

The fourth proportional to 207,122.33, 310,680.32 and 93,189.66 is: 139,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,122.33 : 310,680.32 = 93,189.66 : x
  2. Step 2: Convert to fraction form
    207,122.33/310,680.32 = 93,189.66/x
  3. Step 3: Cross multiply
    207,122.33x = 310,680.32 × 93,189.66
  4. Step 4: Simplify right side
    207,122.33x = 28,952,192,923.54
  5. Step 5: Solve for x
    x = 28,952,192,923.54/207,122.33
  6. Step 6: Final answer
    x = 139,783.06

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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.