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Finding the Fourth Proportional to 173,008.70, 259,420.55 and 88,734.47

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Solution

The fourth proportional to 173,008.70, 259,420.55 and 88,734.47 is: 133,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,008.70 : 259,420.55 = 88,734.47 : x
  2. Step 2: Convert to fraction form
    173,008.70/259,420.55 = 88,734.47/x
  3. Step 3: Cross multiply
    173,008.70x = 259,420.55 × 88,734.47
  4. Step 4: Simplify right side
    173,008.70x = 23,019,543,270.58
  5. Step 5: Solve for x
    x = 23,019,543,270.58/173,008.70
  6. Step 6: Final answer
    x = 133,054.26

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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.