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Finding the Fourth Proportional to 74,986.86, 103,483.14 and 44,774.84

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Solution

The fourth proportional to 74,986.86, 103,483.14 and 44,774.84 is: 61,790.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,986.86 : 103,483.14 = 44,774.84 : x
  2. Step 2: Convert to fraction form
    74,986.86/103,483.14 = 44,774.84/x
  3. Step 3: Cross multiply
    74,986.86x = 103,483.14 × 44,774.84
  4. Step 4: Simplify right side
    74,986.86x = 4,633,441,127.00
  5. Step 5: Solve for x
    x = 4,633,441,127.00/74,986.86
  6. Step 6: Final answer
    x = 61,790.04

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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.