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Finding the Fourth Proportional to 148,386.67, 204,769.16 and 84,712.03

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Solution

The fourth proportional to 148,386.67, 204,769.16 and 84,712.03 is: 116,900.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,386.67 : 204,769.16 = 84,712.03 : x
  2. Step 2: Convert to fraction form
    148,386.67/204,769.16 = 84,712.03/x
  3. Step 3: Cross multiply
    148,386.67x = 204,769.16 × 84,712.03
  4. Step 4: Simplify right side
    148,386.67x = 17,346,410,801.43
  5. Step 5: Solve for x
    x = 17,346,410,801.43/148,386.67
  6. Step 6: Final answer
    x = 116,900.06

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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.