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Finding the Fourth Proportional to 173,300.30, 259,723.97 and 125,430.09

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Solution

The fourth proportional to 173,300.30, 259,723.97 and 125,430.09 is: 187,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,300.30 : 259,723.97 = 125,430.09 : x
  2. Step 2: Convert to fraction form
    173,300.30/259,723.97 = 125,430.09/x
  3. Step 3: Cross multiply
    173,300.30x = 259,723.97 × 125,430.09
  4. Step 4: Simplify right side
    173,300.30x = 32,577,200,305.11
  5. Step 5: Solve for x
    x = 32,577,200,305.11/173,300.30
  6. Step 6: Final answer
    x = 187,981.22

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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.