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Finding the Fourth Proportional to 228,035.48, 342,059.10 and 108,064.28

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Solution

The fourth proportional to 228,035.48, 342,059.10 and 108,064.28 is: 162,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,035.48 : 342,059.10 = 108,064.28 : x
  2. Step 2: Convert to fraction form
    228,035.48/342,059.10 = 108,064.28/x
  3. Step 3: Cross multiply
    228,035.48x = 342,059.10 × 108,064.28
  4. Step 4: Simplify right side
    228,035.48x = 36,964,370,358.95
  5. Step 5: Solve for x
    x = 36,964,370,358.95/228,035.48
  6. Step 6: Final answer
    x = 162,099.21

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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.