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Finding the Fourth Proportional to 170,136, 234,787.68 and 94,684.56

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Solution

The fourth proportional to 170,136, 234,787.68 and 94,684.56 is: 130,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,136 : 234,787.68 = 94,684.56 : x
  2. Step 2: Convert to fraction form
    170,136/234,787.68 = 94,684.56/x
  3. Step 3: Cross multiply
    170,136x = 234,787.68 × 94,684.56
  4. Step 4: Simplify right side
    170,136x = 22,230,768,174.22
  5. Step 5: Solve for x
    x = 22,230,768,174.22/170,136
  6. Step 6: Final answer
    x = 130,664.69

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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.