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Finding the Fourth Proportional to 255,670.52, 352,837.33 and 142,494.08

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Solution

The fourth proportional to 255,670.52, 352,837.33 and 142,494.08 is: 196,648.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,670.52 : 352,837.33 = 142,494.08 : x
  2. Step 2: Convert to fraction form
    255,670.52/352,837.33 = 142,494.08/x
  3. Step 3: Cross multiply
    255,670.52x = 352,837.33 × 142,494.08
  4. Step 4: Simplify right side
    255,670.52x = 50,277,230,728.01
  5. Step 5: Solve for x
    x = 50,277,230,728.01/255,670.52
  6. Step 6: Final answer
    x = 196,648.53

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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.