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Finding the Fourth Proportional to 144,197.52, 216,404.41 and 54,328.88

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Solution

The fourth proportional to 144,197.52, 216,404.41 and 54,328.88 is: 81,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,197.52 : 216,404.41 = 54,328.88 : x
  2. Step 2: Convert to fraction form
    144,197.52/216,404.41 = 54,328.88/x
  3. Step 3: Cross multiply
    144,197.52x = 216,404.41 × 54,328.88
  4. Step 4: Simplify right side
    144,197.52x = 11,757,008,512.14
  5. Step 5: Solve for x
    x = 11,757,008,512.14/144,197.52
  6. Step 6: Final answer
    x = 81,534.06

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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.