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Finding the Fourth Proportional to 88,914.90, 133,048.35 and 55,650.90

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Solution

The fourth proportional to 88,914.90, 133,048.35 and 55,650.90 is: 83,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,914.90 : 133,048.35 = 55,650.90 : x
  2. Step 2: Convert to fraction form
    88,914.90/133,048.35 = 55,650.90/x
  3. Step 3: Cross multiply
    88,914.90x = 133,048.35 × 55,650.90
  4. Step 4: Simplify right side
    88,914.90x = 7,404,260,421.02
  5. Step 5: Solve for x
    x = 7,404,260,421.02/88,914.90
  6. Step 6: Final answer
    x = 83,273.56

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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.