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Finding the Fourth Proportional to 265,895.64, 366,937.11 and 145,039.52

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Solution

The fourth proportional to 265,895.64, 366,937.11 and 145,039.52 is: 200,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,895.64 : 366,937.11 = 145,039.52 : x
  2. Step 2: Convert to fraction form
    265,895.64/366,937.11 = 145,039.52/x
  3. Step 3: Cross multiply
    265,895.64x = 366,937.11 × 145,039.52
  4. Step 4: Simplify right side
    265,895.64x = 53,220,383,221.93
  5. Step 5: Solve for x
    x = 53,220,383,221.93/265,895.64
  6. Step 6: Final answer
    x = 200,155.16

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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.