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Finding the Fourth Proportional to 119,803.86, 179,682.30 and 39,829.32

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Solution

The fourth proportional to 119,803.86, 179,682.30 and 39,829.32 is: 59,736.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,803.86 : 179,682.30 = 39,829.32 : x
  2. Step 2: Convert to fraction form
    119,803.86/179,682.30 = 39,829.32/x
  3. Step 3: Cross multiply
    119,803.86x = 179,682.30 × 39,829.32
  4. Step 4: Simplify right side
    119,803.86x = 7,156,623,825.04
  5. Step 5: Solve for x
    x = 7,156,623,825.04/119,803.86
  6. Step 6: Final answer
    x = 59,736.17

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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.