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Finding the Fourth Proportional to 146,869.88, 202,681.67 and 79,801.88

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Solution

The fourth proportional to 146,869.88, 202,681.67 and 79,801.88 is: 110,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,869.88 : 202,681.67 = 79,801.88 : x
  2. Step 2: Convert to fraction form
    146,869.88/202,681.67 = 79,801.88/x
  3. Step 3: Cross multiply
    146,869.88x = 202,681.67 × 79,801.88
  4. Step 4: Simplify right side
    146,869.88x = 16,174,378,307.54
  5. Step 5: Solve for x
    x = 16,174,378,307.54/146,869.88
  6. Step 6: Final answer
    x = 110,127.27

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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.