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Finding the Fourth Proportional to 167,307.44, 230,782.72 and 99,279.60

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Solution

The fourth proportional to 167,307.44, 230,782.72 and 99,279.60 is: 136,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,307.44 : 230,782.72 = 99,279.60 : x
  2. Step 2: Convert to fraction form
    167,307.44/230,782.72 = 99,279.60/x
  3. Step 3: Cross multiply
    167,307.44x = 230,782.72 × 99,279.60
  4. Step 4: Simplify right side
    167,307.44x = 22,912,016,128.51
  5. Step 5: Solve for x
    x = 22,912,016,128.51/167,307.44
  6. Step 6: Final answer
    x = 136,945.59

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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.