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Finding the Fourth Proportional to 235,342.32, 353,031.70 and 141,213.84

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Solution

The fourth proportional to 235,342.32, 353,031.70 and 141,213.84 is: 211,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,342.32 : 353,031.70 = 141,213.84 : x
  2. Step 2: Convert to fraction form
    235,342.32/353,031.70 = 141,213.84/x
  3. Step 3: Cross multiply
    235,342.32x = 353,031.70 × 141,213.84
  4. Step 4: Simplify right side
    235,342.32x = 49,852,961,998.73
  5. Step 5: Solve for x
    x = 49,852,961,998.73/235,342.32
  6. Step 6: Final answer
    x = 211,831.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.