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Finding the Fourth Proportional to 171,653.00, 257,535.38 and 82,916.69

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Solution

The fourth proportional to 171,653.00, 257,535.38 and 82,916.69 is: 124,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,653.00 : 257,535.38 = 82,916.69 : x
  2. Step 2: Convert to fraction form
    171,653.00/257,535.38 = 82,916.69/x
  3. Step 3: Cross multiply
    171,653.00x = 257,535.38 × 82,916.69
  4. Step 4: Simplify right side
    171,653.00x = 21,353,980,187.11
  5. Step 5: Solve for x
    x = 21,353,980,187.11/171,653.00
  6. Step 6: Final answer
    x = 124,402.03

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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.