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Finding the Fourth Proportional to 313,332.88, 432,399.92 and 170,093.02

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Solution

The fourth proportional to 313,332.88, 432,399.92 and 170,093.02 is: 234,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,332.88 : 432,399.92 = 170,093.02 : x
  2. Step 2: Convert to fraction form
    313,332.88/432,399.92 = 170,093.02/x
  3. Step 3: Cross multiply
    313,332.88x = 432,399.92 × 170,093.02
  4. Step 4: Simplify right side
    313,332.88x = 73,548,208,240.56
  5. Step 5: Solve for x
    x = 73,548,208,240.56/313,332.88
  6. Step 6: Final answer
    x = 234,728.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.