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Finding the Fourth Proportional to 113,319.99, 169,903.31 and 63,434.52

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Solution

The fourth proportional to 113,319.99, 169,903.31 and 63,434.52 is: 95,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,319.99 : 169,903.31 = 63,434.52 : x
  2. Step 2: Convert to fraction form
    113,319.99/169,903.31 = 63,434.52/x
  3. Step 3: Cross multiply
    113,319.99x = 169,903.31 × 63,434.52
  4. Step 4: Simplify right side
    113,319.99x = 10,777,734,599.09
  5. Step 5: Solve for x
    x = 10,777,734,599.09/113,319.99
  6. Step 6: Final answer
    x = 95,108.86

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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.