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Finding the Fourth Proportional to 253,676.01, 380,531.77 and 101,873.06

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Solution

The fourth proportional to 253,676.01, 380,531.77 and 101,873.06 is: 152,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,676.01 : 380,531.77 = 101,873.06 : x
  2. Step 2: Convert to fraction form
    253,676.01/380,531.77 = 101,873.06/x
  3. Step 3: Cross multiply
    253,676.01x = 380,531.77 × 101,873.06
  4. Step 4: Simplify right side
    253,676.01x = 38,765,936,533.76
  5. Step 5: Solve for x
    x = 38,765,936,533.76/253,676.01
  6. Step 6: Final answer
    x = 152,816.72

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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.