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Finding the Fourth Proportional to 190,295.70, 285,881.13 and 134,264.94

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Solution

The fourth proportional to 190,295.70, 285,881.13 and 134,264.94 is: 201,706.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,295.70 : 285,881.13 = 134,264.94 : x
  2. Step 2: Convert to fraction form
    190,295.70/285,881.13 = 134,264.94/x
  3. Step 3: Cross multiply
    190,295.70x = 285,881.13 × 134,264.94
  4. Step 4: Simplify right side
    190,295.70x = 38,383,812,766.58
  5. Step 5: Solve for x
    x = 38,383,812,766.58/190,295.70
  6. Step 6: Final answer
    x = 201,706.15

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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.