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Finding the Fourth Proportional to 159,693.37, 239,041.81 and 117,620.96

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Solution

The fourth proportional to 159,693.37, 239,041.81 and 117,620.96 is: 176,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,693.37 : 239,041.81 = 117,620.96 : x
  2. Step 2: Convert to fraction form
    159,693.37/239,041.81 = 117,620.96/x
  3. Step 3: Cross multiply
    159,693.37x = 239,041.81 × 117,620.96
  4. Step 4: Simplify right side
    159,693.37x = 28,116,326,124.15
  5. Step 5: Solve for x
    x = 28,116,326,124.15/159,693.37
  6. Step 6: Final answer
    x = 176,064.46

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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.