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Finding the Fourth Proportional to 235,172.67, 324,413.88 and 148,979.58

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Solution

The fourth proportional to 235,172.67, 324,413.88 and 148,979.58 is: 205,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,172.67 : 324,413.88 = 148,979.58 : x
  2. Step 2: Convert to fraction form
    235,172.67/324,413.88 = 148,979.58/x
  3. Step 3: Cross multiply
    235,172.67x = 324,413.88 × 148,979.58
  4. Step 4: Simplify right side
    235,172.67x = 48,331,043,588.57
  5. Step 5: Solve for x
    x = 48,331,043,588.57/235,172.67
  6. Step 6: Final answer
    x = 205,513.01

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1.5x scale

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.