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Finding the Fourth Proportional to 272,988.93, 409,202.28 and 104,463.27

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Solution

The fourth proportional to 272,988.93, 409,202.28 and 104,463.27 is: 156,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,988.93 : 409,202.28 = 104,463.27 : x
  2. Step 2: Convert to fraction form
    272,988.93/409,202.28 = 104,463.27/x
  3. Step 3: Cross multiply
    272,988.93x = 409,202.28 × 104,463.27
  4. Step 4: Simplify right side
    272,988.93x = 42,746,608,260.26
  5. Step 5: Solve for x
    x = 42,746,608,260.26/272,988.93
  6. Step 6: Final answer
    x = 156,587.33

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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.