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Finding the Fourth Proportional to 141,172.88, 211,702.80 and 62,231

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Solution

The fourth proportional to 141,172.88, 211,702.80 and 62,231 is: 93,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,172.88 : 211,702.80 = 62,231 : x
  2. Step 2: Convert to fraction form
    141,172.88/211,702.80 = 62,231/x
  3. Step 3: Cross multiply
    141,172.88x = 211,702.80 × 62,231
  4. Step 4: Simplify right side
    141,172.88x = 13,174,476,946.80
  5. Step 5: Solve for x
    x = 13,174,476,946.80/141,172.88
  6. Step 6: Final answer
    x = 93,321.59

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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.