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Finding the Fourth Proportional to 158,956.44, 238,440.42 and 48,145.56

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Solution

The fourth proportional to 158,956.44, 238,440.42 and 48,145.56 is: 72,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,956.44 : 238,440.42 = 48,145.56 : x
  2. Step 2: Convert to fraction form
    158,956.44/238,440.42 = 48,145.56/x
  3. Step 3: Cross multiply
    158,956.44x = 238,440.42 × 48,145.56
  4. Step 4: Simplify right side
    158,956.44x = 11,479,847,547.54
  5. Step 5: Solve for x
    x = 11,479,847,547.54/158,956.44
  6. Step 6: Final answer
    x = 72,220.08

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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.