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Finding the Fourth Proportional to 89,761.01, 134,641.52 and 27,430.97

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Solution

The fourth proportional to 89,761.01, 134,641.52 and 27,430.97 is: 41,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,761.01 : 134,641.52 = 27,430.97 : x
  2. Step 2: Convert to fraction form
    89,761.01/134,641.52 = 27,430.97/x
  3. Step 3: Cross multiply
    89,761.01x = 134,641.52 × 27,430.97
  4. Step 4: Simplify right side
    89,761.01x = 3,693,347,495.87
  5. Step 5: Solve for x
    x = 3,693,347,495.87/89,761.01
  6. Step 6: Final answer
    x = 41,146.46

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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.