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Finding the Fourth Proportional to 186,905.61, 280,344.86 and 73,032.02

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Solution

The fourth proportional to 186,905.61, 280,344.86 and 73,032.02 is: 109,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,905.61 : 280,344.86 = 73,032.02 : x
  2. Step 2: Convert to fraction form
    186,905.61/280,344.86 = 73,032.02/x
  3. Step 3: Cross multiply
    186,905.61x = 280,344.86 × 73,032.02
  4. Step 4: Simplify right side
    186,905.61x = 20,474,151,422.42
  5. Step 5: Solve for x
    x = 20,474,151,422.42/186,905.61
  6. Step 6: Final answer
    x = 109,542.73

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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.