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Finding the Fourth Proportional to 169,175.34, 253,763.37 and 68,020.02

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Solution

The fourth proportional to 169,175.34, 253,763.37 and 68,020.02 is: 102,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,175.34 : 253,763.37 = 68,020.02 : x
  2. Step 2: Convert to fraction form
    169,175.34/253,763.37 = 68,020.02/x
  3. Step 3: Cross multiply
    169,175.34x = 253,763.37 × 68,020.02
  4. Step 4: Simplify right side
    169,175.34x = 17,260,989,502.67
  5. Step 5: Solve for x
    x = 17,260,989,502.67/169,175.34
  6. Step 6: Final answer
    x = 102,030.17

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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.