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Finding the Fourth Proportional to 307,373.76, 461,268.24 and 107,695.68

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Solution

The fourth proportional to 307,373.76, 461,268.24 and 107,695.68 is: 161,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,373.76 : 461,268.24 = 107,695.68 : x
  2. Step 2: Convert to fraction form
    307,373.76/461,268.24 = 107,695.68/x
  3. Step 3: Cross multiply
    307,373.76x = 461,268.24 × 107,695.68
  4. Step 4: Simplify right side
    307,373.76x = 49,676,596,769.20
  5. Step 5: Solve for x
    x = 49,676,596,769.20/307,373.76
  6. Step 6: Final answer
    x = 161,616.26

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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.