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Finding the Fourth Proportional to 169,938, 234,514.44 and 94,486.50

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Solution

The fourth proportional to 169,938, 234,514.44 and 94,486.50 is: 130,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,938 : 234,514.44 = 94,486.50 : x
  2. Step 2: Convert to fraction form
    169,938/234,514.44 = 94,486.50/x
  3. Step 3: Cross multiply
    169,938x = 234,514.44 × 94,486.50
  4. Step 4: Simplify right side
    169,938x = 22,158,448,635.06
  5. Step 5: Solve for x
    x = 22,158,448,635.06/169,938
  6. Step 6: Final answer
    x = 130,391.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.