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Finding the Fourth Proportional to 223,526, 308,447.16 and 131,630.66

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Solution

The fourth proportional to 223,526, 308,447.16 and 131,630.66 is: 181,639.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,526 : 308,447.16 = 131,630.66 : x
  2. Step 2: Convert to fraction form
    223,526/308,447.16 = 131,630.66/x
  3. Step 3: Cross multiply
    223,526x = 308,447.16 × 131,630.66
  4. Step 4: Simplify right side
    223,526x = 40,601,103,245.93
  5. Step 5: Solve for x
    x = 40,601,103,245.93/223,526
  6. Step 6: Final answer
    x = 181,639.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.