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Finding the Fourth Proportional to 228,253.86, 315,033.57 and 152,933.22

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Solution

The fourth proportional to 228,253.86, 315,033.57 and 152,933.22 is: 211,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,253.86 : 315,033.57 = 152,933.22 : x
  2. Step 2: Convert to fraction form
    228,253.86/315,033.57 = 152,933.22/x
  3. Step 3: Cross multiply
    228,253.86x = 315,033.57 × 152,933.22
  4. Step 4: Simplify right side
    228,253.86x = 48,179,098,268.20
  5. Step 5: Solve for x
    x = 48,179,098,268.20/228,253.86
  6. Step 6: Final answer
    x = 211,076.82

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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.