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Finding the Fourth Proportional to 169,613.16, 254,425.14 and 85,327.26

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Solution

The fourth proportional to 169,613.16, 254,425.14 and 85,327.26 is: 127,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,613.16 : 254,425.14 = 85,327.26 : x
  2. Step 2: Convert to fraction form
    169,613.16/254,425.14 = 85,327.26/x
  3. Step 3: Cross multiply
    169,613.16x = 254,425.14 × 85,327.26
  4. Step 4: Simplify right side
    169,613.16x = 21,709,400,071.32
  5. Step 5: Solve for x
    x = 21,709,400,071.32/169,613.16
  6. Step 6: Final answer
    x = 127,993.61

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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.