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Finding the Fourth Proportional to 86,169.34, 118,924.77 and 48,450.88

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Solution

The fourth proportional to 86,169.34, 118,924.77 and 48,450.88 is: 66,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,169.34 : 118,924.77 = 48,450.88 : x
  2. Step 2: Convert to fraction form
    86,169.34/118,924.77 = 48,450.88/x
  3. Step 3: Cross multiply
    86,169.34x = 118,924.77 × 48,450.88
  4. Step 4: Simplify right side
    86,169.34x = 5,762,009,760.30
  5. Step 5: Solve for x
    x = 5,762,009,760.30/86,169.34
  6. Step 6: Final answer
    x = 66,868.44

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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.