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Finding the Fourth Proportional to 159,648.42, 239,497.25 and 54,442.79

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Solution

The fourth proportional to 159,648.42, 239,497.25 and 54,442.79 is: 81,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,648.42 : 239,497.25 = 54,442.79 : x
  2. Step 2: Convert to fraction form
    159,648.42/239,497.25 = 54,442.79/x
  3. Step 3: Cross multiply
    159,648.42x = 239,497.25 × 54,442.79
  4. Step 4: Simplify right side
    159,648.42x = 13,038,897,017.63
  5. Step 5: Solve for x
    x = 13,038,897,017.63/159,648.42
  6. Step 6: Final answer
    x = 81,672.57

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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.