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Finding the Fourth Proportional to 133,751.92, 200,637.56 and 45,005.04

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Solution

The fourth proportional to 133,751.92, 200,637.56 and 45,005.04 is: 67,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,751.92 : 200,637.56 = 45,005.04 : x
  2. Step 2: Convert to fraction form
    133,751.92/200,637.56 = 45,005.04/x
  3. Step 3: Cross multiply
    133,751.92x = 200,637.56 × 45,005.04
  4. Step 4: Simplify right side
    133,751.92x = 9,029,701,413.30
  5. Step 5: Solve for x
    x = 9,029,701,413.30/133,751.92
  6. Step 6: Final answer
    x = 67,510.82

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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.