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Finding the Fourth Proportional to 84,353.52, 116,412.86 and 48,542.74

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Solution

The fourth proportional to 84,353.52, 116,412.86 and 48,542.74 is: 66,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,353.52 : 116,412.86 = 48,542.74 : x
  2. Step 2: Convert to fraction form
    84,353.52/116,412.86 = 48,542.74/x
  3. Step 3: Cross multiply
    84,353.52x = 116,412.86 × 48,542.74
  4. Step 4: Simplify right side
    84,353.52x = 5,650,999,195.64
  5. Step 5: Solve for x
    x = 5,650,999,195.64/84,353.52
  6. Step 6: Final answer
    x = 66,991.86

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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.