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Finding the Fourth Proportional to 101,143.20, 151,714.80 and 37,963.20

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Solution

The fourth proportional to 101,143.20, 151,714.80 and 37,963.20 is: 56,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143.20 : 151,714.80 = 37,963.20 : x
  2. Step 2: Convert to fraction form
    101,143.20/151,714.80 = 37,963.20/x
  3. Step 3: Cross multiply
    101,143.20x = 151,714.80 × 37,963.20
  4. Step 4: Simplify right side
    101,143.20x = 5,759,579,295.36
  5. Step 5: Solve for x
    x = 5,759,579,295.36/101,143.20
  6. Step 6: Final answer
    x = 56,944.80

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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.