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Finding the Fourth Proportional to 74,464.56, 102,783.60 and 44,254.80

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Solution

The fourth proportional to 74,464.56, 102,783.60 and 44,254.80 is: 61,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,464.56 : 102,783.60 = 44,254.80 : x
  2. Step 2: Convert to fraction form
    74,464.56/102,783.60 = 44,254.80/x
  3. Step 3: Cross multiply
    74,464.56x = 102,783.60 × 44,254.80
  4. Step 4: Simplify right side
    74,464.56x = 4,548,667,661.28
  5. Step 5: Solve for x
    x = 4,548,667,661.28/74,464.56
  6. Step 6: Final answer
    x = 61,085.00

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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.