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Finding the Fourth Proportional to 265,774.17, 398,661.27 and 108,014.94

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Solution

The fourth proportional to 265,774.17, 398,661.27 and 108,014.94 is: 162,022.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,774.17 : 398,661.27 = 108,014.94 : x
  2. Step 2: Convert to fraction form
    265,774.17/398,661.27 = 108,014.94/x
  3. Step 3: Cross multiply
    265,774.17x = 398,661.27 × 108,014.94
  4. Step 4: Simplify right side
    265,774.17x = 43,061,373,159.37
  5. Step 5: Solve for x
    x = 43,061,373,159.37/265,774.17
  6. Step 6: Final answer
    x = 162,022.42

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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.