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Finding the Fourth Proportional to 307,600.54, 461,118.93 and 107,812.02

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Solution

The fourth proportional to 307,600.54, 461,118.93 and 107,812.02 is: 161,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,600.54 : 461,118.93 = 107,812.02 : x
  2. Step 2: Convert to fraction form
    307,600.54/461,118.93 = 107,812.02/x
  3. Step 3: Cross multiply
    307,600.54x = 461,118.93 × 107,812.02
  4. Step 4: Simplify right side
    307,600.54x = 49,714,163,303.54
  5. Step 5: Solve for x
    x = 49,714,163,303.54/307,600.54
  6. Step 6: Final answer
    x = 161,619.23

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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.