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Finding the Fourth Proportional to 273,158.16, 409,732.36 and 104,632.80

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Solution

The fourth proportional to 273,158.16, 409,732.36 and 104,632.80 is: 156,947.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,158.16 : 409,732.36 = 104,632.80 : x
  2. Step 2: Convert to fraction form
    273,158.16/409,732.36 = 104,632.80/x
  3. Step 3: Cross multiply
    273,158.16x = 409,732.36 × 104,632.80
  4. Step 4: Simplify right side
    273,158.16x = 42,871,444,077.41
  5. Step 5: Solve for x
    x = 42,871,444,077.41/273,158.16
  6. Step 6: Final answer
    x = 156,947.33

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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.