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Finding the Fourth Proportional to 169,162.92, 253,664.93 and 98,105.76

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Solution

The fourth proportional to 169,162.92, 253,664.93 and 98,105.76 is: 147,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,162.92 : 253,664.93 = 98,105.76 : x
  2. Step 2: Convert to fraction form
    169,162.92/253,664.93 = 98,105.76/x
  3. Step 3: Cross multiply
    169,162.92x = 253,664.93 × 98,105.76
  4. Step 4: Simplify right side
    169,162.92x = 24,885,990,886.63
  5. Step 5: Solve for x
    x = 24,885,990,886.63/169,162.92
  6. Step 6: Final answer
    x = 147,112.56

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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.