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Finding the Fourth Proportional to 134,208.76, 201,165.52 and 55,279.93

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Solution

The fourth proportional to 134,208.76, 201,165.52 and 55,279.93 is: 82,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,208.76 : 201,165.52 = 55,279.93 : x
  2. Step 2: Convert to fraction form
    134,208.76/201,165.52 = 55,279.93/x
  3. Step 3: Cross multiply
    134,208.76x = 201,165.52 × 55,279.93
  4. Step 4: Simplify right side
    134,208.76x = 11,120,415,864.01
  5. Step 5: Solve for x
    x = 11,120,415,864.01/134,208.76
  6. Step 6: Final answer
    x = 82,859.09

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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.