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Finding the Fourth Proportional to 169,447.78, 233,865.93 and 94,020.58

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Solution

The fourth proportional to 169,447.78, 233,865.93 and 94,020.58 is: 129,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,447.78 : 233,865.93 = 94,020.58 : x
  2. Step 2: Convert to fraction form
    169,447.78/233,865.93 = 94,020.58/x
  3. Step 3: Cross multiply
    169,447.78x = 233,865.93 × 94,020.58
  4. Step 4: Simplify right side
    169,447.78x = 21,988,210,380.84
  5. Step 5: Solve for x
    x = 21,988,210,380.84/169,447.78
  6. Step 6: Final answer
    x = 129,763.93

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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.