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Finding the Fourth Proportional to 167,673.72, 251,577.79 and 61,065.10

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Solution

The fourth proportional to 167,673.72, 251,577.79 and 61,065.10 is: 91,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,673.72 : 251,577.79 = 61,065.10 : x
  2. Step 2: Convert to fraction form
    167,673.72/251,577.79 = 61,065.10/x
  3. Step 3: Cross multiply
    167,673.72x = 251,577.79 × 61,065.10
  4. Step 4: Simplify right side
    167,673.72x = 15,362,622,598.80
  5. Step 5: Solve for x
    x = 15,362,622,598.80/167,673.72
  6. Step 6: Final answer
    x = 91,622.13

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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.