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Finding the Fourth Proportional to 178,774.40, 268,082.40 and 60,413.60

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Solution

The fourth proportional to 178,774.40, 268,082.40 and 60,413.60 is: 90,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,774.40 : 268,082.40 = 60,413.60 : x
  2. Step 2: Convert to fraction form
    178,774.40/268,082.40 = 60,413.60/x
  3. Step 3: Cross multiply
    178,774.40x = 268,082.40 × 60,413.60
  4. Step 4: Simplify right side
    178,774.40x = 16,195,822,880.64
  5. Step 5: Solve for x
    x = 16,195,822,880.64/178,774.40
  6. Step 6: Final answer
    x = 90,593.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.