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Finding the Fourth Proportional to 148,503.57, 204,852.20 and 88,016.01

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Solution

The fourth proportional to 148,503.57, 204,852.20 and 88,016.01 is: 121,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,503.57 : 204,852.20 = 88,016.01 : x
  2. Step 2: Convert to fraction form
    148,503.57/204,852.20 = 88,016.01/x
  3. Step 3: Cross multiply
    148,503.57x = 204,852.20 × 88,016.01
  4. Step 4: Simplify right side
    148,503.57x = 18,030,273,283.72
  5. Step 5: Solve for x
    x = 18,030,273,283.72/148,503.57
  6. Step 6: Final answer
    x = 121,413.06

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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.