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Finding the Fourth Proportional to 273,124.91, 409,691.15 and 104,653.76

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Solution

The fourth proportional to 273,124.91, 409,691.15 and 104,653.76 is: 156,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,124.91 : 409,691.15 = 104,653.76 : x
  2. Step 2: Convert to fraction form
    273,124.91/409,691.15 = 104,653.76/x
  3. Step 3: Cross multiply
    273,124.91x = 409,691.15 × 104,653.76
  4. Step 4: Simplify right side
    273,124.91x = 42,875,717,106.95
  5. Step 5: Solve for x
    x = 42,875,717,106.95/273,124.91
  6. Step 6: Final answer
    x = 156,982.08

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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.