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Finding the Fourth Proportional to 228,992.76, 315,950.22 and 132,172.92

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Solution

The fourth proportional to 228,992.76, 315,950.22 and 132,172.92 is: 182,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,992.76 : 315,950.22 = 132,172.92 : x
  2. Step 2: Convert to fraction form
    228,992.76/315,950.22 = 132,172.92/x
  3. Step 3: Cross multiply
    228,992.76x = 315,950.22 × 132,172.92
  4. Step 4: Simplify right side
    228,992.76x = 41,760,063,152.04
  5. Step 5: Solve for x
    x = 41,760,063,152.04/228,992.76
  6. Step 6: Final answer
    x = 182,364.12

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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.