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Finding the Fourth Proportional to 113,063.96, 156,020.44 and 62,759

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Solution

The fourth proportional to 113,063.96, 156,020.44 and 62,759 is: 86,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,063.96 : 156,020.44 = 62,759 : x
  2. Step 2: Convert to fraction form
    113,063.96/156,020.44 = 62,759/x
  3. Step 3: Cross multiply
    113,063.96x = 156,020.44 × 62,759
  4. Step 4: Simplify right side
    113,063.96x = 9,791,686,793.96
  5. Step 5: Solve for x
    x = 9,791,686,793.96/113,063.96
  6. Step 6: Final answer
    x = 86,603.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.