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Finding the Fourth Proportional to 104,294.67, 155,100.27 and 100,973.18

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Solution

The fourth proportional to 104,294.67, 155,100.27 and 100,973.18 is: 150,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,294.67 : 155,100.27 = 100,973.18 : x
  2. Step 2: Convert to fraction form
    104,294.67/155,100.27 = 100,973.18/x
  3. Step 3: Cross multiply
    104,294.67x = 155,100.27 × 100,973.18
  4. Step 4: Simplify right side
    104,294.67x = 15,660,966,705.26
  5. Step 5: Solve for x
    x = 15,660,966,705.26/104,294.67
  6. Step 6: Final answer
    x = 150,160.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.