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Finding the Fourth Proportional to 159,260.82, 238,838.91 and 70,512.42

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Solution

The fourth proportional to 159,260.82, 238,838.91 and 70,512.42 is: 105,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,260.82 : 238,838.91 = 70,512.42 : x
  2. Step 2: Convert to fraction form
    159,260.82/238,838.91 = 70,512.42/x
  3. Step 3: Cross multiply
    159,260.82x = 238,838.91 × 70,512.42
  4. Step 4: Simplify right side
    159,260.82x = 16,841,109,534.26
  5. Step 5: Solve for x
    x = 16,841,109,534.26/159,260.82
  6. Step 6: Final answer
    x = 105,745.47

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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.