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Finding the Fourth Proportional to 101,320.66, 151,752.57 and 48,769.48

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Solution

The fourth proportional to 101,320.66, 151,752.57 and 48,769.48 is: 73,044.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,320.66 : 151,752.57 = 48,769.48 : x
  2. Step 2: Convert to fraction form
    101,320.66/151,752.57 = 48,769.48/x
  3. Step 3: Cross multiply
    101,320.66x = 151,752.57 × 48,769.48
  4. Step 4: Simplify right side
    101,320.66x = 7,400,893,927.56
  5. Step 5: Solve for x
    x = 7,400,893,927.56/101,320.66
  6. Step 6: Final answer
    x = 73,044.27

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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.