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Finding the Fourth Proportional to 273,181.41, 408,999.36 and 144,805.18

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Solution

The fourth proportional to 273,181.41, 408,999.36 and 144,805.18 is: 216,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,181.41 : 408,999.36 = 144,805.18 : x
  2. Step 2: Convert to fraction form
    273,181.41/408,999.36 = 144,805.18/x
  3. Step 3: Cross multiply
    273,181.41x = 408,999.36 × 144,805.18
  4. Step 4: Simplify right side
    273,181.41x = 59,225,225,944.68
  5. Step 5: Solve for x
    x = 59,225,225,944.68/273,181.41
  6. Step 6: Final answer
    x = 216,798.16

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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.