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Finding the Fourth Proportional to 228,248.08, 342,704.46 and 162,039.76

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Solution

The fourth proportional to 228,248.08, 342,704.46 and 162,039.76 is: 243,295.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,248.08 : 342,704.46 = 162,039.76 : x
  2. Step 2: Convert to fraction form
    228,248.08/342,704.46 = 162,039.76/x
  3. Step 3: Cross multiply
    228,248.08x = 342,704.46 × 162,039.76
  4. Step 4: Simplify right side
    228,248.08x = 55,531,748,449.33
  5. Step 5: Solve for x
    x = 55,531,748,449.33/228,248.08
  6. Step 6: Final answer
    x = 243,295.58

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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.