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Finding the Fourth Proportional to 167,278.98, 230,889.24 and 103,580.58

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Solution

The fourth proportional to 167,278.98, 230,889.24 and 103,580.58 is: 142,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,278.98 : 230,889.24 = 103,580.58 : x
  2. Step 2: Convert to fraction form
    167,278.98/230,889.24 = 103,580.58/x
  3. Step 3: Cross multiply
    167,278.98x = 230,889.24 × 103,580.58
  4. Step 4: Simplify right side
    167,278.98x = 23,915,641,394.96
  5. Step 5: Solve for x
    x = 23,915,641,394.96/167,278.98
  6. Step 6: Final answer
    x = 142,968.60

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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.