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Finding the Fourth Proportional to 183,172.66, 274,786.53 and 64,845.16

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Solution

The fourth proportional to 183,172.66, 274,786.53 and 64,845.16 is: 97,277.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,172.66 : 274,786.53 = 64,845.16 : x
  2. Step 2: Convert to fraction form
    183,172.66/274,786.53 = 64,845.16/x
  3. Step 3: Cross multiply
    183,172.66x = 274,786.53 × 64,845.16
  4. Step 4: Simplify right side
    183,172.66x = 17,818,576,503.69
  5. Step 5: Solve for x
    x = 17,818,576,503.69/183,172.66
  6. Step 6: Final answer
    x = 97,277.49

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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.