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Finding the Fourth Proportional to 101,005.77, 151,553.29 and 52,962.91

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Solution

The fourth proportional to 101,005.77, 151,553.29 and 52,962.91 is: 79,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,005.77 : 151,553.29 = 52,962.91 : x
  2. Step 2: Convert to fraction form
    101,005.77/151,553.29 = 52,962.91/x
  3. Step 3: Cross multiply
    101,005.77x = 151,553.29 × 52,962.91
  4. Step 4: Simplify right side
    101,005.77x = 8,026,702,945.79
  5. Step 5: Solve for x
    x = 8,026,702,945.79/101,005.77
  6. Step 6: Final answer
    x = 79,467.76

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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.