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Finding the Fourth Proportional to 101,530.44, 152,300.70 and 26,650.80

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Solution

The fourth proportional to 101,530.44, 152,300.70 and 26,650.80 is: 39,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,530.44 : 152,300.70 = 26,650.80 : x
  2. Step 2: Convert to fraction form
    101,530.44/152,300.70 = 26,650.80/x
  3. Step 3: Cross multiply
    101,530.44x = 152,300.70 × 26,650.80
  4. Step 4: Simplify right side
    101,530.44x = 4,058,935,495.56
  5. Step 5: Solve for x
    x = 4,058,935,495.56/101,530.44
  6. Step 6: Final answer
    x = 39,977.52

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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.