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Finding the Fourth Proportional to 124,645.58, 186,968.68 and 49,771.82

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Solution

The fourth proportional to 124,645.58, 186,968.68 and 49,771.82 is: 74,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,645.58 : 186,968.68 = 49,771.82 : x
  2. Step 2: Convert to fraction form
    124,645.58/186,968.68 = 49,771.82/x
  3. Step 3: Cross multiply
    124,645.58x = 186,968.68 × 49,771.82
  4. Step 4: Simplify right side
    124,645.58x = 9,305,771,486.60
  5. Step 5: Solve for x
    x = 9,305,771,486.60/124,645.58
  6. Step 6: Final answer
    x = 74,657.85

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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.