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Finding the Fourth Proportional to 101,115, 151,671.96 and 26,235.09

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Solution

The fourth proportional to 101,115, 151,671.96 and 26,235.09 is: 39,352.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,115 : 151,671.96 = 26,235.09 : x
  2. Step 2: Convert to fraction form
    101,115/151,671.96 = 26,235.09/x
  3. Step 3: Cross multiply
    101,115x = 151,671.96 × 26,235.09
  4. Step 4: Simplify right side
    101,115x = 3,979,127,521.08
  5. Step 5: Solve for x
    x = 3,979,127,521.08/101,115
  6. Step 6: Final answer
    x = 39,352.49

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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.