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Finding the Fourth Proportional to 74,597.16, 102,909.32 and 44,365.56

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Solution

The fourth proportional to 74,597.16, 102,909.32 and 44,365.56 is: 61,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,597.16 : 102,909.32 = 44,365.56 : x
  2. Step 2: Convert to fraction form
    74,597.16/102,909.32 = 44,365.56/x
  3. Step 3: Cross multiply
    74,597.16x = 102,909.32 × 44,365.56
  4. Step 4: Simplify right side
    74,597.16x = 4,565,629,611.02
  5. Step 5: Solve for x
    x = 4,565,629,611.02/74,597.16
  6. Step 6: Final answer
    x = 61,203.80

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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.