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Finding the Fourth Proportional to 177,796.82, 245,357.25 and 101,320.47

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Solution

The fourth proportional to 177,796.82, 245,357.25 and 101,320.47 is: 139,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,796.82 : 245,357.25 = 101,320.47 : x
  2. Step 2: Convert to fraction form
    177,796.82/245,357.25 = 101,320.47/x
  3. Step 3: Cross multiply
    177,796.82x = 245,357.25 × 101,320.47
  4. Step 4: Simplify right side
    177,796.82x = 24,859,712,077.88
  5. Step 5: Solve for x
    x = 24,859,712,077.88/177,796.82
  6. Step 6: Final answer
    x = 139,820.90

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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.