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Finding the Fourth Proportional to 351,471.93, 527,098.88 and 126,803.16

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Solution

The fourth proportional to 351,471.93, 527,098.88 and 126,803.16 is: 190,165.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,471.93 : 527,098.88 = 126,803.16 : x
  2. Step 2: Convert to fraction form
    351,471.93/527,098.88 = 126,803.16/x
  3. Step 3: Cross multiply
    351,471.93x = 527,098.88 × 126,803.16
  4. Step 4: Simplify right side
    351,471.93x = 66,837,802,982.45
  5. Step 5: Solve for x
    x = 66,837,802,982.45/351,471.93
  6. Step 6: Final answer
    x = 190,165.41

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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.