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Finding the Fourth Proportional to 192,216.42, 265,383.47 and 172,038.31

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Solution

The fourth proportional to 192,216.42, 265,383.47 and 172,038.31 is: 237,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,216.42 : 265,383.47 = 172,038.31 : x
  2. Step 2: Convert to fraction form
    192,216.42/265,383.47 = 172,038.31/x
  3. Step 3: Cross multiply
    192,216.42x = 265,383.47 × 172,038.31
  4. Step 4: Simplify right side
    192,216.42x = 45,656,123,680.74
  5. Step 5: Solve for x
    x = 45,656,123,680.74/192,216.42
  6. Step 6: Final answer
    x = 237,524.58

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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.