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Finding the Fourth Proportional to 144,963.36, 217,477.76 and 51,469.12

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Solution

The fourth proportional to 144,963.36, 217,477.76 and 51,469.12 is: 77,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,963.36 : 217,477.76 = 51,469.12 : x
  2. Step 2: Convert to fraction form
    144,963.36/217,477.76 = 51,469.12/x
  3. Step 3: Cross multiply
    144,963.36x = 217,477.76 × 51,469.12
  4. Step 4: Simplify right side
    144,963.36x = 11,193,388,926.77
  5. Step 5: Solve for x
    x = 11,193,388,926.77/144,963.36
  6. Step 6: Final answer
    x = 77,215.30

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1.5x scale

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.