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Finding the Fourth Proportional to 133,913.04, 200,902.04 and 40,413.20

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Solution

The fourth proportional to 133,913.04, 200,902.04 and 40,413.20 is: 60,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,913.04 : 200,902.04 = 40,413.20 : x
  2. Step 2: Convert to fraction form
    133,913.04/200,902.04 = 40,413.20/x
  3. Step 3: Cross multiply
    133,913.04x = 200,902.04 × 40,413.20
  4. Step 4: Simplify right side
    133,913.04x = 8,119,094,322.93
  5. Step 5: Solve for x
    x = 8,119,094,322.93/133,913.04
  6. Step 6: Final answer
    x = 60,629.60

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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.