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Finding the Fourth Proportional to 228,526.92, 342,919.98 and 123,343.56

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Solution

The fourth proportional to 228,526.92, 342,919.98 and 123,343.56 is: 185,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,526.92 : 342,919.98 = 123,343.56 : x
  2. Step 2: Convert to fraction form
    228,526.92/342,919.98 = 123,343.56/x
  3. Step 3: Cross multiply
    228,526.92x = 342,919.98 × 123,343.56
  4. Step 4: Simplify right side
    228,526.92x = 42,296,971,128.33
  5. Step 5: Solve for x
    x = 42,296,971,128.33/228,526.92
  6. Step 6: Final answer
    x = 185,085.29

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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.