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Finding the Fourth Proportional to 74,893.08, 103,342.50 and 44,681.88

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Solution

The fourth proportional to 74,893.08, 103,342.50 and 44,681.88 is: 61,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,893.08 : 103,342.50 = 44,681.88 : x
  2. Step 2: Convert to fraction form
    74,893.08/103,342.50 = 44,681.88/x
  3. Step 3: Cross multiply
    74,893.08x = 103,342.50 × 44,681.88
  4. Step 4: Simplify right side
    74,893.08x = 4,617,537,183.90
  5. Step 5: Solve for x
    x = 4,617,537,183.90/74,893.08
  6. Step 6: Final answer
    x = 61,655.06

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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.