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Finding the Fourth Proportional to 74,803.86, 103,250.79 and 44,205.30

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Solution

The fourth proportional to 74,803.86, 103,250.79 and 44,205.30 is: 61,016.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,803.86 : 103,250.79 = 44,205.30 : x
  2. Step 2: Convert to fraction form
    74,803.86/103,250.79 = 44,205.30/x
  3. Step 3: Cross multiply
    74,803.86x = 103,250.79 × 44,205.30
  4. Step 4: Simplify right side
    74,803.86x = 4,564,232,147.19
  5. Step 5: Solve for x
    x = 4,564,232,147.19/74,803.86
  6. Step 6: Final answer
    x = 61,016.00

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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.