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Finding the Fourth Proportional to 173,312.52, 259,978.05 and 48,663.24

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Solution

The fourth proportional to 173,312.52, 259,978.05 and 48,663.24 is: 72,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,312.52 : 259,978.05 = 48,663.24 : x
  2. Step 2: Convert to fraction form
    173,312.52/259,978.05 = 48,663.24/x
  3. Step 3: Cross multiply
    173,312.52x = 259,978.05 × 48,663.24
  4. Step 4: Simplify right side
    173,312.52x = 12,651,374,241.88
  5. Step 5: Solve for x
    x = 12,651,374,241.88/173,312.52
  6. Step 6: Final answer
    x = 72,997.46

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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.