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Finding the Fourth Proportional to 255,761.16, 352,942.27 and 141,044.64

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Solution

The fourth proportional to 255,761.16, 352,942.27 and 141,044.64 is: 194,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,761.16 : 352,942.27 = 141,044.64 : x
  2. Step 2: Convert to fraction form
    255,761.16/352,942.27 = 141,044.64/x
  3. Step 3: Cross multiply
    255,761.16x = 352,942.27 × 141,044.64
  4. Step 4: Simplify right side
    255,761.16x = 49,780,615,412.93
  5. Step 5: Solve for x
    x = 49,780,615,412.93/255,761.16
  6. Step 6: Final answer
    x = 194,637.12

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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.