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Finding the Fourth Proportional to 269,973.87, 404,960.81 and 70,293.68

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Solution

The fourth proportional to 269,973.87, 404,960.81 and 70,293.68 is: 105,440.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,973.87 : 404,960.81 = 70,293.68 : x
  2. Step 2: Convert to fraction form
    269,973.87/404,960.81 = 70,293.68/x
  3. Step 3: Cross multiply
    269,973.87x = 404,960.81 × 70,293.68
  4. Step 4: Simplify right side
    269,973.87x = 28,466,186,645.05
  5. Step 5: Solve for x
    x = 28,466,186,645.05/269,973.87
  6. Step 6: Final answer
    x = 105,440.52

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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.