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Finding the Fourth Proportional to 101,005.76, 151,508.64 and 38,676.24

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Solution

The fourth proportional to 101,005.76, 151,508.64 and 38,676.24 is: 58,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,005.76 : 151,508.64 = 38,676.24 : x
  2. Step 2: Convert to fraction form
    101,005.76/151,508.64 = 38,676.24/x
  3. Step 3: Cross multiply
    101,005.76x = 151,508.64 × 38,676.24
  4. Step 4: Simplify right side
    101,005.76x = 5,859,784,522.71
  5. Step 5: Solve for x
    x = 5,859,784,522.71/101,005.76
  6. Step 6: Final answer
    x = 58,014.36

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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.