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Finding the Fourth Proportional to 171,223.98, 236,355.32 and 153,287.84

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Solution

The fourth proportional to 171,223.98, 236,355.32 and 153,287.84 is: 211,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,223.98 : 236,355.32 = 153,287.84 : x
  2. Step 2: Convert to fraction form
    171,223.98/236,355.32 = 153,287.84/x
  3. Step 3: Cross multiply
    171,223.98x = 236,355.32 × 153,287.84
  4. Step 4: Simplify right side
    171,223.98x = 36,230,396,587.17
  5. Step 5: Solve for x
    x = 36,230,396,587.17/171,223.98
  6. Step 6: Final answer
    x = 211,596.51

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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.