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Finding the Fourth Proportional to 141,953.91, 212,930.85 and 36,772.88

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Solution

The fourth proportional to 141,953.91, 212,930.85 and 36,772.88 is: 55,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,953.91 : 212,930.85 = 36,772.88 : x
  2. Step 2: Convert to fraction form
    141,953.91/212,930.85 = 36,772.88/x
  3. Step 3: Cross multiply
    141,953.91x = 212,930.85 × 36,772.88
  4. Step 4: Simplify right side
    141,953.91x = 7,830,079,530.69
  5. Step 5: Solve for x
    x = 7,830,079,530.69/141,953.91
  6. Step 6: Final answer
    x = 55,159.31

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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.