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Finding the Fourth Proportional to 248,444.52, 342,849.06 and 135,265.32

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Solution

The fourth proportional to 248,444.52, 342,849.06 and 135,265.32 is: 186,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,444.52 : 342,849.06 = 135,265.32 : x
  2. Step 2: Convert to fraction form
    248,444.52/342,849.06 = 135,265.32/x
  3. Step 3: Cross multiply
    248,444.52x = 342,849.06 × 135,265.32
  4. Step 4: Simplify right side
    248,444.52x = 46,375,587,812.60
  5. Step 5: Solve for x
    x = 46,375,587,812.60/248,444.52
  6. Step 6: Final answer
    x = 186,663.76

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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.