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Finding the Fourth Proportional to 160,255.44, 240,554.88 and 81,348.48

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Solution

The fourth proportional to 160,255.44, 240,554.88 and 81,348.48 is: 122,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,255.44 : 240,554.88 = 81,348.48 : x
  2. Step 2: Convert to fraction form
    160,255.44/240,554.88 = 81,348.48/x
  3. Step 3: Cross multiply
    160,255.44x = 240,554.88 × 81,348.48
  4. Step 4: Simplify right side
    160,255.44x = 19,568,773,844.58
  5. Step 5: Solve for x
    x = 19,568,773,844.58/160,255.44
  6. Step 6: Final answer
    x = 122,109.89

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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.