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Finding the Fourth Proportional to 306,223.16, 459,305 and 92,992.92

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Solution

The fourth proportional to 306,223.16, 459,305 and 92,992.92 is: 139,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,223.16 : 459,305 = 92,992.92 : x
  2. Step 2: Convert to fraction form
    306,223.16/459,305 = 92,992.92/x
  3. Step 3: Cross multiply
    306,223.16x = 459,305 × 92,992.92
  4. Step 4: Simplify right side
    306,223.16x = 42,712,113,120.60
  5. Step 5: Solve for x
    x = 42,712,113,120.60/306,223.16
  6. Step 6: Final answer
    x = 139,480.35

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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.