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Finding the Fourth Proportional to 169,499.79, 233,893.73 and 101,515.53

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Solution

The fourth proportional to 169,499.79, 233,893.73 and 101,515.53 is: 140,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,499.79 : 233,893.73 = 101,515.53 : x
  2. Step 2: Convert to fraction form
    169,499.79/233,893.73 = 101,515.53/x
  3. Step 3: Cross multiply
    169,499.79x = 233,893.73 × 101,515.53
  4. Step 4: Simplify right side
    169,499.79x = 23,743,845,208.84
  5. Step 5: Solve for x
    x = 23,743,845,208.84/169,499.79
  6. Step 6: Final answer
    x = 140,081.86

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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.