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Finding the Fourth Proportional to 228,973.43, 343,390.19 and 158,349.94

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Solution

The fourth proportional to 228,973.43, 343,390.19 and 158,349.94 is: 237,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,973.43 : 343,390.19 = 158,349.94 : x
  2. Step 2: Convert to fraction form
    228,973.43/343,390.19 = 158,349.94/x
  3. Step 3: Cross multiply
    228,973.43x = 343,390.19 × 158,349.94
  4. Step 4: Simplify right side
    228,973.43x = 54,375,814,332.86
  5. Step 5: Solve for x
    x = 54,375,814,332.86/228,973.43
  6. Step 6: Final answer
    x = 237,476.52

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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.