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Finding the Fourth Proportional to 265,882.89, 366,919.53 and 145,026.77

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Solution

The fourth proportional to 265,882.89, 366,919.53 and 145,026.77 is: 200,137.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,882.89 : 366,919.53 = 145,026.77 : x
  2. Step 2: Convert to fraction form
    265,882.89/366,919.53 = 145,026.77/x
  3. Step 3: Cross multiply
    265,882.89x = 366,919.53 × 145,026.77
  4. Step 4: Simplify right side
    265,882.89x = 53,213,154,285.82
  5. Step 5: Solve for x
    x = 53,213,154,285.82/265,882.89
  6. Step 6: Final answer
    x = 200,137.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.