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Finding the Fourth Proportional to 282,463.32, 423,707.81 and 80,073.90

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Solution

The fourth proportional to 282,463.32, 423,707.81 and 80,073.90 is: 120,114.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,463.32 : 423,707.81 = 80,073.90 : x
  2. Step 2: Convert to fraction form
    282,463.32/423,707.81 = 80,073.90/x
  3. Step 3: Cross multiply
    282,463.32x = 423,707.81 × 80,073.90
  4. Step 4: Simplify right side
    282,463.32x = 33,927,936,406.79
  5. Step 5: Solve for x
    x = 33,927,936,406.79/282,463.32
  6. Step 6: Final answer
    x = 120,114.48

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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.