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Finding the Fourth Proportional to 277,080.08, 414,870.52 and 143,679.92

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Solution

The fourth proportional to 277,080.08, 414,870.52 and 143,679.92 is: 215,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,080.08 : 414,870.52 = 143,679.92 : x
  2. Step 2: Convert to fraction form
    277,080.08/414,870.52 = 143,679.92/x
  3. Step 3: Cross multiply
    277,080.08x = 414,870.52 × 143,679.92
  4. Step 4: Simplify right side
    277,080.08x = 59,608,563,123.96
  5. Step 5: Solve for x
    x = 59,608,563,123.96/277,080.08
  6. Step 6: Final answer
    x = 215,131.17

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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.