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Finding the Fourth Proportional to 159,647.14, 239,471.66 and 47,328.32

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Solution

The fourth proportional to 159,647.14, 239,471.66 and 47,328.32 is: 70,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,647.14 : 239,471.66 = 47,328.32 : x
  2. Step 2: Convert to fraction form
    159,647.14/239,471.66 = 47,328.32/x
  3. Step 3: Cross multiply
    159,647.14x = 239,471.66 × 47,328.32
  4. Step 4: Simplify right side
    159,647.14x = 11,333,791,355.41
  5. Step 5: Solve for x
    x = 11,333,791,355.41/159,647.14
  6. Step 6: Final answer
    x = 70,992.76

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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.