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Finding the Fourth Proportional to 265,695.15, 366,640.98 and 149,426.00

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Solution

The fourth proportional to 265,695.15, 366,640.98 and 149,426.00 is: 206,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,695.15 : 366,640.98 = 149,426.00 : x
  2. Step 2: Convert to fraction form
    265,695.15/366,640.98 = 149,426.00/x
  3. Step 3: Cross multiply
    265,695.15x = 366,640.98 × 149,426.00
  4. Step 4: Simplify right side
    265,695.15x = 54,785,693,244.28
  5. Step 5: Solve for x
    x = 54,785,693,244.28/265,695.15
  6. Step 6: Final answer
    x = 206,197.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.