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Finding the Fourth Proportional to 186,947.56, 280,188.06 and 93,480.04

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Solution

The fourth proportional to 186,947.56, 280,188.06 and 93,480.04 is: 140,103.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,947.56 : 280,188.06 = 93,480.04 : x
  2. Step 2: Convert to fraction form
    186,947.56/280,188.06 = 93,480.04/x
  3. Step 3: Cross multiply
    186,947.56x = 280,188.06 × 93,480.04
  4. Step 4: Simplify right side
    186,947.56x = 26,191,991,056.32
  5. Step 5: Solve for x
    x = 26,191,991,056.32/186,947.56
  6. Step 6: Final answer
    x = 140,103.41

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Why These Related Problems?

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