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Finding the Fourth Proportional to 159,613.32, 239,424.40 and 39,665.42

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Solution

The fourth proportional to 159,613.32, 239,424.40 and 39,665.42 is: 59,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,613.32 : 239,424.40 = 39,665.42 : x
  2. Step 2: Convert to fraction form
    159,613.32/239,424.40 = 39,665.42/x
  3. Step 3: Cross multiply
    159,613.32x = 239,424.40 × 39,665.42
  4. Step 4: Simplify right side
    159,613.32x = 9,496,869,384.25
  5. Step 5: Solve for x
    x = 9,496,869,384.25/159,613.32
  6. Step 6: Final answer
    x = 59,499.23

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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.