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Finding the Fourth Proportional to 114,598.74, 158,143.80 and 63,608.50

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Solution

The fourth proportional to 114,598.74, 158,143.80 and 63,608.50 is: 87,778.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,598.74 : 158,143.80 = 63,608.50 : x
  2. Step 2: Convert to fraction form
    114,598.74/158,143.80 = 63,608.50/x
  3. Step 3: Cross multiply
    114,598.74x = 158,143.80 × 63,608.50
  4. Step 4: Simplify right side
    114,598.74x = 10,059,289,902.30
  5. Step 5: Solve for x
    x = 10,059,289,902.30/114,598.74
  6. Step 6: Final answer
    x = 87,778.36

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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.