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Finding the Fourth Proportional to 367,988.49, 551,802.81 and 151,806.96

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Solution

The fourth proportional to 367,988.49, 551,802.81 and 151,806.96 is: 227,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,988.49 : 551,802.81 = 151,806.96 : x
  2. Step 2: Convert to fraction form
    367,988.49/551,802.81 = 151,806.96/x
  3. Step 3: Cross multiply
    367,988.49x = 551,802.81 × 151,806.96
  4. Step 4: Simplify right side
    367,988.49x = 83,767,507,105.56
  5. Step 5: Solve for x
    x = 83,767,507,105.56/367,988.49
  6. Step 6: Final answer
    x = 227,636.22

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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.