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Finding the Fourth Proportional to 122,657.88, 183,829.86 and 63,482.52

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Solution

The fourth proportional to 122,657.88, 183,829.86 and 63,482.52 is: 95,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,657.88 : 183,829.86 = 63,482.52 : x
  2. Step 2: Convert to fraction form
    122,657.88/183,829.86 = 63,482.52/x
  3. Step 3: Cross multiply
    122,657.88x = 183,829.86 × 63,482.52
  4. Step 4: Simplify right side
    122,657.88x = 11,669,982,764.05
  5. Step 5: Solve for x
    x = 11,669,982,764.05/122,657.88
  6. Step 6: Final answer
    x = 95,142.54

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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.