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Finding the Fourth Proportional to 265,891.52, 366,935.28 and 145,037.12

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Solution

The fourth proportional to 265,891.52, 366,935.28 and 145,037.12 is: 200,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,891.52 : 366,935.28 = 145,037.12 : x
  2. Step 2: Convert to fraction form
    265,891.52/366,935.28 = 145,037.12/x
  3. Step 3: Cross multiply
    265,891.52x = 366,935.28 × 145,037.12
  4. Step 4: Simplify right side
    265,891.52x = 53,219,234,402.92
  5. Step 5: Solve for x
    x = 53,219,234,402.92/265,891.52
  6. Step 6: Final answer
    x = 200,153.94

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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.