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Finding the Fourth Proportional to 263,648.68, 363,833.08 and 142,787.16

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Solution

The fourth proportional to 263,648.68, 363,833.08 and 142,787.16 is: 197,045.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,648.68 : 363,833.08 = 142,787.16 : x
  2. Step 2: Convert to fraction form
    263,648.68/363,833.08 = 142,787.16/x
  3. Step 3: Cross multiply
    263,648.68x = 363,833.08 × 142,787.16
  4. Step 4: Simplify right side
    263,648.68x = 51,950,692,207.25
  5. Step 5: Solve for x
    x = 51,950,692,207.25/263,648.68
  6. Step 6: Final answer
    x = 197,045.14

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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.