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Finding the Fourth Proportional to 173,322.56, 259,982.64 and 48,663.68

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Solution

The fourth proportional to 173,322.56, 259,982.64 and 48,663.68 is: 72,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,322.56 : 259,982.64 = 48,663.68 : x
  2. Step 2: Convert to fraction form
    173,322.56/259,982.64 = 48,663.68/x
  3. Step 3: Cross multiply
    173,322.56x = 259,982.64 × 48,663.68
  4. Step 4: Simplify right side
    173,322.56x = 12,651,711,998.52
  5. Step 5: Solve for x
    x = 12,651,711,998.52/173,322.56
  6. Step 6: Final answer
    x = 72,995.18

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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.