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Finding the Fourth Proportional to 273,889.17, 410,833.62 and 103,143.06

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Solution

The fourth proportional to 273,889.17, 410,833.62 and 103,143.06 is: 154,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,889.17 : 410,833.62 = 103,143.06 : x
  2. Step 2: Convert to fraction form
    273,889.17/410,833.62 = 103,143.06/x
  3. Step 3: Cross multiply
    273,889.17x = 410,833.62 × 103,143.06
  4. Step 4: Simplify right side
    273,889.17x = 42,374,636,717.68
  5. Step 5: Solve for x
    x = 42,374,636,717.68/273,889.17
  6. Step 6: Final answer
    x = 154,714.54

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1.5x scale

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.