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Finding the Fourth Proportional to 273,168.03, 409,812.93 and 83,655.03

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Solution

The fourth proportional to 273,168.03, 409,812.93 and 83,655.03 is: 125,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,168.03 : 409,812.93 = 83,655.03 : x
  2. Step 2: Convert to fraction form
    273,168.03/409,812.93 = 83,655.03/x
  3. Step 3: Cross multiply
    273,168.03x = 409,812.93 × 83,655.03
  4. Step 4: Simplify right side
    273,168.03x = 34,282,912,953.54
  5. Step 5: Solve for x
    x = 34,282,912,953.54/273,168.03
  6. Step 6: Final answer
    x = 125,501.19

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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.