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Finding the Fourth Proportional to 159,238.72, 238,819.60 and 46,888.36

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Solution

The fourth proportional to 159,238.72, 238,819.60 and 46,888.36 is: 70,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,238.72 : 238,819.60 = 46,888.36 : x
  2. Step 2: Convert to fraction form
    159,238.72/238,819.60 = 46,888.36/x
  3. Step 3: Cross multiply
    159,238.72x = 238,819.60 × 46,888.36
  4. Step 4: Simplify right side
    159,238.72x = 11,197,859,379.86
  5. Step 5: Solve for x
    x = 11,197,859,379.86/159,238.72
  6. Step 6: Final answer
    x = 70,321.21

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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.