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Finding the Fourth Proportional to 110,764.98, 152,850.32 and 63,013.86

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Solution

The fourth proportional to 110,764.98, 152,850.32 and 63,013.86 is: 86,956.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,764.98 : 152,850.32 = 63,013.86 : x
  2. Step 2: Convert to fraction form
    110,764.98/152,850.32 = 63,013.86/x
  3. Step 3: Cross multiply
    110,764.98x = 152,850.32 × 63,013.86
  4. Step 4: Simplify right side
    110,764.98x = 9,631,688,665.44
  5. Step 5: Solve for x
    x = 9,631,688,665.44/110,764.98
  6. Step 6: Final answer
    x = 86,956.08

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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.