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Finding the Fourth Proportional to 101,702.60, 152,540.91 and 26,828.39

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Solution

The fourth proportional to 101,702.60, 152,540.91 and 26,828.39 is: 40,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,702.60 : 152,540.91 = 26,828.39 : x
  2. Step 2: Convert to fraction form
    101,702.60/152,540.91 = 26,828.39/x
  3. Step 3: Cross multiply
    101,702.60x = 152,540.91 × 26,828.39
  4. Step 4: Simplify right side
    101,702.60x = 4,092,426,261.73
  5. Step 5: Solve for x
    x = 4,092,426,261.73/101,702.60
  6. Step 6: Final answer
    x = 40,239.15

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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.