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Finding the Fourth Proportional to 101,638.66, 152,478.44 and 35,081.36

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Solution

The fourth proportional to 101,638.66, 152,478.44 and 35,081.36 is: 52,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,638.66 : 152,478.44 = 35,081.36 : x
  2. Step 2: Convert to fraction form
    101,638.66/152,478.44 = 35,081.36/x
  3. Step 3: Cross multiply
    101,638.66x = 152,478.44 × 35,081.36
  4. Step 4: Simplify right side
    101,638.66x = 5,349,151,251.67
  5. Step 5: Solve for x
    x = 5,349,151,251.67/101,638.66
  6. Step 6: Final answer
    x = 52,629.10

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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.