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Finding the Fourth Proportional to 125,620.51, 188,390.28 and 41,360.62

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Solution

The fourth proportional to 125,620.51, 188,390.28 and 41,360.62 is: 62,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,620.51 : 188,390.28 = 41,360.62 : x
  2. Step 2: Convert to fraction form
    125,620.51/188,390.28 = 41,360.62/x
  3. Step 3: Cross multiply
    125,620.51x = 188,390.28 × 41,360.62
  4. Step 4: Simplify right side
    125,620.51x = 7,791,938,782.77
  5. Step 5: Solve for x
    x = 7,791,938,782.77/125,620.51
  6. Step 6: Final answer
    x = 62,027.60

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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.