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Finding the Fourth Proportional to 186,487.50, 279,729.14 and 111,628.56

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Solution

The fourth proportional to 186,487.50, 279,729.14 and 111,628.56 is: 167,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,487.50 : 279,729.14 = 111,628.56 : x
  2. Step 2: Convert to fraction form
    186,487.50/279,729.14 = 111,628.56/x
  3. Step 3: Cross multiply
    186,487.50x = 279,729.14 × 111,628.56
  4. Step 4: Simplify right side
    186,487.50x = 31,225,761,088.24
  5. Step 5: Solve for x
    x = 31,225,761,088.24/186,487.50
  6. Step 6: Final answer
    x = 167,441.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.