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Finding the Fourth Proportional to 159,803.89, 239,643.52 and 59,909.64

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Solution

The fourth proportional to 159,803.89, 239,643.52 and 59,909.64 is: 89,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,803.89 : 239,643.52 = 59,909.64 : x
  2. Step 2: Convert to fraction form
    159,803.89/239,643.52 = 59,909.64/x
  3. Step 3: Cross multiply
    159,803.89x = 239,643.52 × 59,909.64
  4. Step 4: Simplify right side
    159,803.89x = 14,356,957,011.53
  5. Step 5: Solve for x
    x = 14,356,957,011.53/159,803.89
  6. Step 6: Final answer
    x = 89,841.10

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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.