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Finding the Fourth Proportional to 265,777.17, 398,665.77 and 108,017.94

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Solution

The fourth proportional to 265,777.17, 398,665.77 and 108,017.94 is: 162,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,777.17 : 398,665.77 = 108,017.94 : x
  2. Step 2: Convert to fraction form
    265,777.17/398,665.77 = 108,017.94/x
  3. Step 3: Cross multiply
    265,777.17x = 398,665.77 × 108,017.94
  4. Step 4: Simplify right side
    265,777.17x = 43,063,055,223.91
  5. Step 5: Solve for x
    x = 43,063,055,223.91/265,777.17
  6. Step 6: Final answer
    x = 162,026.92

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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.