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Finding the Fourth Proportional to 306,660.27, 460,055.94 and 93,445.21

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Solution

The fourth proportional to 306,660.27, 460,055.94 and 93,445.21 is: 140,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,660.27 : 460,055.94 = 93,445.21 : x
  2. Step 2: Convert to fraction form
    306,660.27/460,055.94 = 93,445.21/x
  3. Step 3: Cross multiply
    306,660.27x = 460,055.94 × 93,445.21
  4. Step 4: Simplify right side
    306,660.27x = 42,990,022,774.91
  5. Step 5: Solve for x
    x = 42,990,022,774.91/306,660.27
  6. Step 6: Final answer
    x = 140,187.78

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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.