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Finding the Fourth Proportional to 159,803.64, 239,643.15 and 59,909.39

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Solution

The fourth proportional to 159,803.64, 239,643.15 and 59,909.39 is: 89,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,803.64 : 239,643.15 = 59,909.39 : x
  2. Step 2: Convert to fraction form
    159,803.64/239,643.15 = 59,909.39/x
  3. Step 3: Cross multiply
    159,803.64x = 239,643.15 × 59,909.39
  4. Step 4: Simplify right side
    159,803.64x = 14,356,873,735.96
  5. Step 5: Solve for x
    x = 14,356,873,735.96/159,803.64
  6. Step 6: Final answer
    x = 89,840.72

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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.