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Finding the Fourth Proportional to 307,117.90, 460,742.47 and 107,444.80

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Solution

The fourth proportional to 307,117.90, 460,742.47 and 107,444.80 is: 161,190.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,117.90 : 460,742.47 = 107,444.80 : x
  2. Step 2: Convert to fraction form
    307,117.90/460,742.47 = 107,444.80/x
  3. Step 3: Cross multiply
    307,117.90x = 460,742.47 × 107,444.80
  4. Step 4: Simplify right side
    307,117.90x = 49,504,383,992.72
  5. Step 5: Solve for x
    x = 49,504,383,992.72/307,117.90
  6. Step 6: Final answer
    x = 161,190.16

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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.