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Finding the Fourth Proportional to 236,614.48, 354,868.72 and 68,097.28

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Solution

The fourth proportional to 236,614.48, 354,868.72 and 68,097.28 is: 102,130.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,614.48 : 354,868.72 = 68,097.28 : x
  2. Step 2: Convert to fraction form
    236,614.48/354,868.72 = 68,097.28/x
  3. Step 3: Cross multiply
    236,614.48x = 354,868.72 × 68,097.28
  4. Step 4: Simplify right side
    236,614.48x = 24,165,594,589.08
  5. Step 5: Solve for x
    x = 24,165,594,589.08/236,614.48
  6. Step 6: Final answer
    x = 102,130.67

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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.