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Finding the Fourth Proportional to 106,036, 146,326.56 and 60,712.48

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Solution

The fourth proportional to 106,036, 146,326.56 and 60,712.48 is: 83,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,036 : 146,326.56 = 60,712.48 : x
  2. Step 2: Convert to fraction form
    106,036/146,326.56 = 60,712.48/x
  3. Step 3: Cross multiply
    106,036x = 146,326.56 × 60,712.48
  4. Step 4: Simplify right side
    106,036x = 8,883,848,347.47
  5. Step 5: Solve for x
    x = 8,883,848,347.47/106,036
  6. Step 6: Final answer
    x = 83,781.44

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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.