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Finding the Fourth Proportional to 251,089.92, 376,577.28 and 149,916.48

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Solution

The fourth proportional to 251,089.92, 376,577.28 and 149,916.48 is: 224,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,089.92 : 376,577.28 = 149,916.48 : x
  2. Step 2: Convert to fraction form
    251,089.92/376,577.28 = 149,916.48/x
  3. Step 3: Cross multiply
    251,089.92x = 376,577.28 × 149,916.48
  4. Step 4: Simplify right side
    251,089.92x = 56,455,140,265.57
  5. Step 5: Solve for x
    x = 56,455,140,265.57/251,089.92
  6. Step 6: Final answer
    x = 224,840.33

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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.