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Finding the Fourth Proportional to 88,847.80, 133,077.30 and 77,183.80

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Solution

The fourth proportional to 88,847.80, 133,077.30 and 77,183.80 is: 115,606.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,847.80 : 133,077.30 = 77,183.80 : x
  2. Step 2: Convert to fraction form
    88,847.80/133,077.30 = 77,183.80/x
  3. Step 3: Cross multiply
    88,847.80x = 133,077.30 × 77,183.80
  4. Step 4: Simplify right side
    88,847.80x = 10,271,411,707.74
  5. Step 5: Solve for x
    x = 10,271,411,707.74/88,847.80
  6. Step 6: Final answer
    x = 115,606.82

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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.