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Finding the Fourth Proportional to 531,168.21, 796,751.20 and 166,457.81

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Solution

The fourth proportional to 531,168.21, 796,751.20 and 166,457.81 is: 249,686.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,168.21 : 796,751.20 = 166,457.81 : x
  2. Step 2: Convert to fraction form
    531,168.21/796,751.20 = 166,457.81/x
  3. Step 3: Cross multiply
    531,168.21x = 796,751.20 × 166,457.81
  4. Step 4: Simplify right side
    531,168.21x = 132,625,462,066.82
  5. Step 5: Solve for x
    x = 132,625,462,066.82/531,168.21
  6. Step 6: Final answer
    x = 249,686.37

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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.