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Finding the Fourth Proportional to 159,505.92, 238,995.36 and 70,626.24

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Solution

The fourth proportional to 159,505.92, 238,995.36 and 70,626.24 is: 105,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,505.92 : 238,995.36 = 70,626.24 : x
  2. Step 2: Convert to fraction form
    159,505.92/238,995.36 = 70,626.24/x
  3. Step 3: Cross multiply
    159,505.92x = 238,995.36 × 70,626.24
  4. Step 4: Simplify right side
    159,505.92x = 16,879,343,654.25
  5. Step 5: Solve for x
    x = 16,879,343,654.25/159,505.92
  6. Step 6: Final answer
    x = 105,822.68

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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.