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Finding the Fourth Proportional to 228,741.81, 343,110.21 and 93,775.77

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Solution

The fourth proportional to 228,741.81, 343,110.21 and 93,775.77 is: 140,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,741.81 : 343,110.21 = 93,775.77 : x
  2. Step 2: Convert to fraction form
    228,741.81/343,110.21 = 93,775.77/x
  3. Step 3: Cross multiply
    228,741.81x = 343,110.21 × 93,775.77
  4. Step 4: Simplify right side
    228,741.81x = 32,175,424,137.61
  5. Step 5: Solve for x
    x = 32,175,424,137.61/228,741.81
  6. Step 6: Final answer
    x = 140,662.63

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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.