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Finding the Fourth Proportional to 88,716, 133,113.58 and 48,201.80

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Solution

The fourth proportional to 88,716, 133,113.58 and 48,201.80 is: 72,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,716 : 133,113.58 = 48,201.80 : x
  2. Step 2: Convert to fraction form
    88,716/133,113.58 = 48,201.80/x
  3. Step 3: Cross multiply
    88,716x = 133,113.58 × 48,201.80
  4. Step 4: Simplify right side
    88,716x = 6,416,314,160.44
  5. Step 5: Solve for x
    x = 6,416,314,160.44/88,716
  6. Step 6: Final answer
    x = 72,324.20

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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.