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Finding the Fourth Proportional to 173,302.80, 259,727.71 and 125,432.59

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Solution

The fourth proportional to 173,302.80, 259,727.71 and 125,432.59 is: 187,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,302.80 : 259,727.71 = 125,432.59 : x
  2. Step 2: Convert to fraction form
    173,302.80/259,727.71 = 125,432.59/x
  3. Step 3: Cross multiply
    173,302.80x = 259,727.71 × 125,432.59
  4. Step 4: Simplify right side
    173,302.80x = 32,578,319,360.07
  5. Step 5: Solve for x
    x = 32,578,319,360.07/173,302.80
  6. Step 6: Final answer
    x = 187,984.96

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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.