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Finding the Fourth Proportional to 273,347.70, 409,827.15 and 104,802.90

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Solution

The fourth proportional to 273,347.70, 409,827.15 and 104,802.90 is: 157,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,347.70 : 409,827.15 = 104,802.90 : x
  2. Step 2: Convert to fraction form
    273,347.70/409,827.15 = 104,802.90/x
  3. Step 3: Cross multiply
    273,347.70x = 409,827.15 × 104,802.90
  4. Step 4: Simplify right side
    273,347.70x = 42,951,073,818.74
  5. Step 5: Solve for x
    x = 42,951,073,818.74/273,347.70
  6. Step 6: Final answer
    x = 157,129.82

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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.