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Finding the Fourth Proportional to 134,214.74, 201,174.48 and 55,285.91

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Solution

The fourth proportional to 134,214.74, 201,174.48 and 55,285.91 is: 82,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,214.74 : 201,174.48 = 55,285.91 : x
  2. Step 2: Convert to fraction form
    134,214.74/201,174.48 = 55,285.91/x
  3. Step 3: Cross multiply
    134,214.74x = 201,174.48 × 55,285.91
  4. Step 4: Simplify right side
    134,214.74x = 11,122,114,195.58
  5. Step 5: Solve for x
    x = 11,122,114,195.58/134,214.74
  6. Step 6: Final answer
    x = 82,868.05

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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.