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Finding the Fourth Proportional to 423,510.73, 635,283.41 and 107,975.84

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Solution

The fourth proportional to 423,510.73, 635,283.41 and 107,975.84 is: 161,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,510.73 : 635,283.41 = 107,975.84 : x
  2. Step 2: Convert to fraction form
    423,510.73/635,283.41 = 107,975.84/x
  3. Step 3: Cross multiply
    423,510.73x = 635,283.41 × 107,975.84
  4. Step 4: Simplify right side
    423,510.73x = 68,595,256,116.52
  5. Step 5: Solve for x
    x = 68,595,256,116.52/423,510.73
  6. Step 6: Final answer
    x = 161,968.17

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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.