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Finding the Fourth Proportional to 88,504.80, 132,562.80 and 76,840.80

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Solution

The fourth proportional to 88,504.80, 132,562.80 and 76,840.80 is: 115,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,504.80 : 132,562.80 = 76,840.80 : x
  2. Step 2: Convert to fraction form
    88,504.80/132,562.80 = 76,840.80/x
  3. Step 3: Cross multiply
    88,504.80x = 132,562.80 × 76,840.80
  4. Step 4: Simplify right side
    88,504.80x = 10,186,231,602.24
  5. Step 5: Solve for x
    x = 10,186,231,602.24/88,504.80
  6. Step 6: Final answer
    x = 115,092.42

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1.5x scale

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.