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Finding the Fourth Proportional to 88,010.70, 132,016.05 and 84,900.30

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Solution

The fourth proportional to 88,010.70, 132,016.05 and 84,900.30 is: 127,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,010.70 : 132,016.05 = 84,900.30 : x
  2. Step 2: Convert to fraction form
    88,010.70/132,016.05 = 84,900.30/x
  3. Step 3: Cross multiply
    88,010.70x = 132,016.05 × 84,900.30
  4. Step 4: Simplify right side
    88,010.70x = 11,208,202,249.82
  5. Step 5: Solve for x
    x = 11,208,202,249.82/88,010.70
  6. Step 6: Final answer
    x = 127,350.45

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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.