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Finding the Fourth Proportional to 228,505.68, 315,300.24 and 143,562.24

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Solution

The fourth proportional to 228,505.68, 315,300.24 and 143,562.24 is: 198,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,505.68 : 315,300.24 = 143,562.24 : x
  2. Step 2: Convert to fraction form
    228,505.68/315,300.24 = 143,562.24/x
  3. Step 3: Cross multiply
    228,505.68x = 315,300.24 × 143,562.24
  4. Step 4: Simplify right side
    228,505.68x = 45,265,208,726.94
  5. Step 5: Solve for x
    x = 45,265,208,726.94/228,505.68
  6. Step 6: Final answer
    x = 198,092.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.