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Finding the Fourth Proportional to 169,428.56, 233,805.44 and 93,984.08

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Solution

The fourth proportional to 169,428.56, 233,805.44 and 93,984.08 is: 129,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,428.56 : 233,805.44 = 93,984.08 : x
  2. Step 2: Convert to fraction form
    169,428.56/233,805.44 = 93,984.08/x
  3. Step 3: Cross multiply
    169,428.56x = 233,805.44 × 93,984.08
  4. Step 4: Simplify right side
    169,428.56x = 21,973,989,177.40
  5. Step 5: Solve for x
    x = 21,973,989,177.40/169,428.56
  6. Step 6: Final answer
    x = 129,694.72

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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.