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Finding the Fourth Proportional to 169,389.88, 253,993.92 and 57,032.62

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Solution

The fourth proportional to 169,389.88, 253,993.92 and 57,032.62 is: 85,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,389.88 : 253,993.92 = 57,032.62 : x
  2. Step 2: Convert to fraction form
    169,389.88/253,993.92 = 57,032.62/x
  3. Step 3: Cross multiply
    169,389.88x = 253,993.92 × 57,032.62
  4. Step 4: Simplify right side
    169,389.88x = 14,485,938,721.67
  5. Step 5: Solve for x
    x = 14,485,938,721.67/169,389.88
  6. Step 6: Final answer
    x = 85,518.32

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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.