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Finding the Fourth Proportional to 270,883.07, 373,822.56 and 156,159.58

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Solution

The fourth proportional to 270,883.07, 373,822.56 and 156,159.58 is: 215,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,883.07 : 373,822.56 = 156,159.58 : x
  2. Step 2: Convert to fraction form
    270,883.07/373,822.56 = 156,159.58/x
  3. Step 3: Cross multiply
    270,883.07x = 373,822.56 × 156,159.58
  4. Step 4: Simplify right side
    270,883.07x = 58,375,973,029.57
  5. Step 5: Solve for x
    x = 58,375,973,029.57/270,883.07
  6. Step 6: Final answer
    x = 215,502.48

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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.