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Finding the Fourth Proportional to 265,776.67, 398,665.02 and 108,017.44

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Solution

The fourth proportional to 265,776.67, 398,665.02 and 108,017.44 is: 162,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,776.67 : 398,665.02 = 108,017.44 : x
  2. Step 2: Convert to fraction form
    265,776.67/398,665.02 = 108,017.44/x
  3. Step 3: Cross multiply
    265,776.67x = 398,665.02 × 108,017.44
  4. Step 4: Simplify right side
    265,776.67x = 43,062,774,877.95
  5. Step 5: Solve for x
    x = 43,062,774,877.95/265,776.67
  6. Step 6: Final answer
    x = 162,026.17

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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.