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Finding the Fourth Proportional to 298,802.93, 412,342.49 and 162,837.81

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Solution

The fourth proportional to 298,802.93, 412,342.49 and 162,837.81 is: 224,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,802.93 : 412,342.49 = 162,837.81 : x
  2. Step 2: Convert to fraction form
    298,802.93/412,342.49 = 162,837.81/x
  3. Step 3: Cross multiply
    298,802.93x = 412,342.49 × 162,837.81
  4. Step 4: Simplify right side
    298,802.93x = 67,144,947,227.36
  5. Step 5: Solve for x
    x = 67,144,947,227.36/298,802.93
  6. Step 6: Final answer
    x = 224,713.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.