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Finding the Fourth Proportional to 273,053.76, 409,580.28 and 73,374.15

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Solution

The fourth proportional to 273,053.76, 409,580.28 and 73,374.15 is: 110,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,053.76 : 409,580.28 = 73,374.15 : x
  2. Step 2: Convert to fraction form
    273,053.76/409,580.28 = 73,374.15/x
  3. Step 3: Cross multiply
    273,053.76x = 409,580.28 × 73,374.15
  4. Step 4: Simplify right side
    273,053.76x = 30,052,604,901.76
  5. Step 5: Solve for x
    x = 30,052,604,901.76/273,053.76
  6. Step 6: Final answer
    x = 110,061.13

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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.