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Finding the Fourth Proportional to 265,518.52, 366,418.31 and 144,659.77

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Solution

The fourth proportional to 265,518.52, 366,418.31 and 144,659.77 is: 199,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,518.52 : 366,418.31 = 144,659.77 : x
  2. Step 2: Convert to fraction form
    265,518.52/366,418.31 = 144,659.77/x
  3. Step 3: Cross multiply
    265,518.52x = 366,418.31 × 144,659.77
  4. Step 4: Simplify right side
    265,518.52x = 53,005,988,448.39
  5. Step 5: Solve for x
    x = 53,005,988,448.39/265,518.52
  6. Step 6: Final answer
    x = 199,631.98

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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.