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Finding the Fourth Proportional to 307,131.53, 460,720.62 and 104,664.71

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Solution

The fourth proportional to 307,131.53, 460,720.62 and 104,664.71 is: 157,005.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,131.53 : 460,720.62 = 104,664.71 : x
  2. Step 2: Convert to fraction form
    307,131.53/460,720.62 = 104,664.71/x
  3. Step 3: Cross multiply
    307,131.53x = 460,720.62 × 104,664.71
  4. Step 4: Simplify right side
    307,131.53x = 48,221,191,627.61
  5. Step 5: Solve for x
    x = 48,221,191,627.61/307,131.53
  6. Step 6: Final answer
    x = 157,005.02

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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.