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Finding the Fourth Proportional to 85,077.50, 117,404.87 and 46,836.74

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Solution

The fourth proportional to 85,077.50, 117,404.87 and 46,836.74 is: 64,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,077.50 : 117,404.87 = 46,836.74 : x
  2. Step 2: Convert to fraction form
    85,077.50/117,404.87 = 46,836.74/x
  3. Step 3: Cross multiply
    85,077.50x = 117,404.87 × 46,836.74
  4. Step 4: Simplify right side
    85,077.50x = 5,498,861,370.92
  5. Step 5: Solve for x
    x = 5,498,861,370.92/85,077.50
  6. Step 6: Final answer
    x = 64,633.56

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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.