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Finding the Fourth Proportional to 400,941.92, 601,502.63 and 134,695.17

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Solution

The fourth proportional to 400,941.92, 601,502.63 and 134,695.17 is: 202,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,941.92 : 601,502.63 = 134,695.17 : x
  2. Step 2: Convert to fraction form
    400,941.92/601,502.63 = 134,695.17/x
  3. Step 3: Cross multiply
    400,941.92x = 601,502.63 × 134,695.17
  4. Step 4: Simplify right side
    400,941.92x = 81,019,498,329.82
  5. Step 5: Solve for x
    x = 81,019,498,329.82/400,941.92
  6. Step 6: Final answer
    x = 202,072.90

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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.