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Finding the Fourth Proportional to 136,113.75, 204,358.34 and 93,893.72

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Solution

The fourth proportional to 136,113.75, 204,358.34 and 93,893.72 is: 140,970.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,113.75 : 204,358.34 = 93,893.72 : x
  2. Step 2: Convert to fraction form
    136,113.75/204,358.34 = 93,893.72/x
  3. Step 3: Cross multiply
    136,113.75x = 204,358.34 × 93,893.72
  4. Step 4: Simplify right side
    136,113.75x = 19,187,963,968.57
  5. Step 5: Solve for x
    x = 19,187,963,968.57/136,113.75
  6. Step 6: Final answer
    x = 140,970.06

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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.