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Finding the Fourth Proportional to 159,991.53, 239,987.26 and 47,668.83

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Solution

The fourth proportional to 159,991.53, 239,987.26 and 47,668.83 is: 71,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,991.53 : 239,987.26 = 47,668.83 : x
  2. Step 2: Convert to fraction form
    159,991.53/239,987.26 = 47,668.83/x
  3. Step 3: Cross multiply
    159,991.53x = 239,987.26 × 47,668.83
  4. Step 4: Simplify right side
    159,991.53x = 11,439,911,899.11
  5. Step 5: Solve for x
    x = 11,439,911,899.11/159,991.53
  6. Step 6: Final answer
    x = 71,503.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.