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Finding the Fourth Proportional to 85,539.58, 118,039.48 and 47,296.83

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Solution

The fourth proportional to 85,539.58, 118,039.48 and 47,296.83 is: 65,266.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,539.58 : 118,039.48 = 47,296.83 : x
  2. Step 2: Convert to fraction form
    85,539.58/118,039.48 = 47,296.83/x
  3. Step 3: Cross multiply
    85,539.58x = 118,039.48 × 47,296.83
  4. Step 4: Simplify right side
    85,539.58x = 5,582,893,218.85
  5. Step 5: Solve for x
    x = 5,582,893,218.85/85,539.58
  6. Step 6: Final answer
    x = 65,266.78

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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.