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Finding the Fourth Proportional to 184,448.72, 276,711.96 and 59,780

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Solution

The fourth proportional to 184,448.72, 276,711.96 and 59,780 is: 89,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,448.72 : 276,711.96 = 59,780 : x
  2. Step 2: Convert to fraction form
    184,448.72/276,711.96 = 59,780/x
  3. Step 3: Cross multiply
    184,448.72x = 276,711.96 × 59,780
  4. Step 4: Simplify right side
    184,448.72x = 16,541,840,968.80
  5. Step 5: Solve for x
    x = 16,541,840,968.80/184,448.72
  6. Step 6: Final answer
    x = 89,682.60

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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.