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Finding the Fourth Proportional to 178,413.60, 267,620.40 and 119,277.60

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Solution

The fourth proportional to 178,413.60, 267,620.40 and 119,277.60 is: 178,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,413.60 : 267,620.40 = 119,277.60 : x
  2. Step 2: Convert to fraction form
    178,413.60/267,620.40 = 119,277.60/x
  3. Step 3: Cross multiply
    178,413.60x = 267,620.40 × 119,277.60
  4. Step 4: Simplify right side
    178,413.60x = 31,921,119,023.04
  5. Step 5: Solve for x
    x = 31,921,119,023.04/178,413.60
  6. Step 6: Final answer
    x = 178,916.40

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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.