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Finding the Fourth Proportional to 159,803.39, 239,642.78 and 59,909.13

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Solution

The fourth proportional to 159,803.39, 239,642.78 and 59,909.13 is: 89,840.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,803.39 : 239,642.78 = 59,909.13 : x
  2. Step 2: Convert to fraction form
    159,803.39/239,642.78 = 59,909.13/x
  3. Step 3: Cross multiply
    159,803.39x = 239,642.78 × 59,909.13
  4. Step 4: Simplify right side
    159,803.39x = 14,356,790,460.58
  5. Step 5: Solve for x
    x = 14,356,790,460.58/159,803.39
  6. Step 6: Final answer
    x = 89,840.34

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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.