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Finding the Fourth Proportional to 170,466.30, 255,773.26 and 91,488.26

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Solution

The fourth proportional to 170,466.30, 255,773.26 and 91,488.26 is: 137,272.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,466.30 : 255,773.26 = 91,488.26 : x
  2. Step 2: Convert to fraction form
    170,466.30/255,773.26 = 91,488.26/x
  3. Step 3: Cross multiply
    170,466.30x = 255,773.26 × 91,488.26
  4. Step 4: Simplify right side
    170,466.30x = 23,400,250,511.93
  5. Step 5: Solve for x
    x = 23,400,250,511.93/170,466.30
  6. Step 6: Final answer
    x = 137,272.00

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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.