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Finding the Fourth Proportional to 86,060.96, 118,764.96 and 49,759.68

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Solution

The fourth proportional to 86,060.96, 118,764.96 and 49,759.68 is: 68,668.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,060.96 : 118,764.96 = 49,759.68 : x
  2. Step 2: Convert to fraction form
    86,060.96/118,764.96 = 49,759.68/x
  3. Step 3: Cross multiply
    86,060.96x = 118,764.96 × 49,759.68
  4. Step 4: Simplify right side
    86,060.96x = 5,909,706,404.81
  5. Step 5: Solve for x
    x = 5,909,706,404.81/86,060.96
  6. Step 6: Final answer
    x = 68,668.84

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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.