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Finding the Fourth Proportional to 88,803.52, 133,090.45 and 66,441.44

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Solution

The fourth proportional to 88,803.52, 133,090.45 and 66,441.44 is: 99,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,803.52 : 133,090.45 = 66,441.44 : x
  2. Step 2: Convert to fraction form
    88,803.52/133,090.45 = 66,441.44/x
  3. Step 3: Cross multiply
    88,803.52x = 133,090.45 × 66,441.44
  4. Step 4: Simplify right side
    88,803.52x = 8,842,721,148.25
  5. Step 5: Solve for x
    x = 8,842,721,148.25/88,803.52
  6. Step 6: Final answer
    x = 99,576.25

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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.