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Finding the Fourth Proportional to 223,527, 308,448.54 and 131,631.66

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Solution

The fourth proportional to 223,527, 308,448.54 and 131,631.66 is: 181,640.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,527 : 308,448.54 = 131,631.66 : x
  2. Step 2: Convert to fraction form
    223,527/308,448.54 = 131,631.66/x
  3. Step 3: Cross multiply
    223,527x = 308,448.54 × 131,631.66
  4. Step 4: Simplify right side
    223,527x = 40,601,593,344.78
  5. Step 5: Solve for x
    x = 40,601,593,344.78/223,527
  6. Step 6: Final answer
    x = 181,640.67

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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.