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Finding the Fourth Proportional to 84,967.92, 117,253.44 and 47,243.52

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Solution

The fourth proportional to 84,967.92, 117,253.44 and 47,243.52 is: 65,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,967.92 : 117,253.44 = 47,243.52 : x
  2. Step 2: Convert to fraction form
    84,967.92/117,253.44 = 47,243.52/x
  3. Step 3: Cross multiply
    84,967.92x = 117,253.44 × 47,243.52
  4. Step 4: Simplify right side
    84,967.92x = 5,539,465,237.71
  5. Step 5: Solve for x
    x = 5,539,465,237.71/84,967.92
  6. Step 6: Final answer
    x = 65,194.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.