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Finding the Fourth Proportional to 125,051.01, 172,592.22 and 74,092.44

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Solution

The fourth proportional to 125,051.01, 172,592.22 and 74,092.44 is: 102,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,051.01 : 172,592.22 = 74,092.44 : x
  2. Step 2: Convert to fraction form
    125,051.01/172,592.22 = 74,092.44/x
  3. Step 3: Cross multiply
    125,051.01x = 172,592.22 × 74,092.44
  4. Step 4: Simplify right side
    125,051.01x = 12,787,778,704.82
  5. Step 5: Solve for x
    x = 12,787,778,704.82/125,051.01
  6. Step 6: Final answer
    x = 102,260.50

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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.