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Finding the Fourth Proportional to 110,081.92, 151,909.98 and 62,339.80

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Solution

The fourth proportional to 110,081.92, 151,909.98 and 62,339.80 is: 86,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,081.92 : 151,909.98 = 62,339.80 : x
  2. Step 2: Convert to fraction form
    110,081.92/151,909.98 = 62,339.80/x
  3. Step 3: Cross multiply
    110,081.92x = 151,909.98 × 62,339.80
  4. Step 4: Simplify right side
    110,081.92x = 9,470,037,771.20
  5. Step 5: Solve for x
    x = 9,470,037,771.20/110,081.92
  6. Step 6: Final answer
    x = 86,027.19

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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.