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Finding the Fourth Proportional to 148,552.02, 204,982.05 and 84,030.05

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Solution

The fourth proportional to 148,552.02, 204,982.05 and 84,030.05 is: 115,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,552.02 : 204,982.05 = 84,030.05 : x
  2. Step 2: Convert to fraction form
    148,552.02/204,982.05 = 84,030.05/x
  3. Step 3: Cross multiply
    148,552.02x = 204,982.05 × 84,030.05
  4. Step 4: Simplify right side
    148,552.02x = 17,224,651,910.60
  5. Step 5: Solve for x
    x = 17,224,651,910.60/148,552.02
  6. Step 6: Final answer
    x = 115,950.30

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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.