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Finding the Fourth Proportional to 228,155.62, 342,320.92 and 95,000.12

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Solution

The fourth proportional to 228,155.62, 342,320.92 and 95,000.12 is: 142,536.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,155.62 : 342,320.92 = 95,000.12 : x
  2. Step 2: Convert to fraction form
    228,155.62/342,320.92 = 95,000.12/x
  3. Step 3: Cross multiply
    228,155.62x = 342,320.92 × 95,000.12
  4. Step 4: Simplify right side
    228,155.62x = 32,520,528,478.51
  5. Step 5: Solve for x
    x = 32,520,528,478.51/228,155.62
  6. Step 6: Final answer
    x = 142,536.61

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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.