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Finding the Fourth Proportional to 169,857.45, 254,810.21 and 57,569.67

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Solution

The fourth proportional to 169,857.45, 254,810.21 and 57,569.67 is: 86,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,857.45 : 254,810.21 = 57,569.67 : x
  2. Step 2: Convert to fraction form
    169,857.45/254,810.21 = 57,569.67/x
  3. Step 3: Cross multiply
    169,857.45x = 254,810.21 × 57,569.67
  4. Step 4: Simplify right side
    169,857.45x = 14,669,339,414.48
  5. Step 5: Solve for x
    x = 14,669,339,414.48/169,857.45
  6. Step 6: Final answer
    x = 86,362.65

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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.