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Finding the Fourth Proportional to 189,152.52, 282,892.20 and 168,239.28

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Solution

The fourth proportional to 189,152.52, 282,892.20 and 168,239.28 is: 251,614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,152.52 : 282,892.20 = 168,239.28 : x
  2. Step 2: Convert to fraction form
    189,152.52/282,892.20 = 168,239.28/x
  3. Step 3: Cross multiply
    189,152.52x = 282,892.20 × 168,239.28
  4. Step 4: Simplify right side
    189,152.52x = 47,593,580,045.62
  5. Step 5: Solve for x
    x = 47,593,580,045.62/189,152.52
  6. Step 6: Final answer
    x = 251,614.83

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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.