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Finding the Fourth Proportional to 228,254.86, 315,034.96 and 152,934.22

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Solution

The fourth proportional to 228,254.86, 315,034.96 and 152,934.22 is: 211,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,254.86 : 315,034.96 = 152,934.22 : x
  2. Step 2: Convert to fraction form
    228,254.86/315,034.96 = 152,934.22/x
  3. Step 3: Cross multiply
    228,254.86x = 315,034.96 × 152,934.22
  4. Step 4: Simplify right side
    228,254.86x = 48,179,625,880.33
  5. Step 5: Solve for x
    x = 48,179,625,880.33/228,254.86
  6. Step 6: Final answer
    x = 211,078.20

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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.