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Finding the Fourth Proportional to 159,403.96, 239,050.32 and 47,054.44

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Solution

The fourth proportional to 159,403.96, 239,050.32 and 47,054.44 is: 70,565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,403.96 : 239,050.32 = 47,054.44 : x
  2. Step 2: Convert to fraction form
    159,403.96/239,050.32 = 47,054.44/x
  3. Step 3: Cross multiply
    159,403.96x = 239,050.32 × 47,054.44
  4. Step 4: Simplify right side
    159,403.96x = 11,248,378,939.42
  5. Step 5: Solve for x
    x = 11,248,378,939.42/159,403.96
  6. Step 6: Final answer
    x = 70,565.24

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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.