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Finding the Fourth Proportional to 134,683.70, 201,997.20 and 68,061.20

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Solution

The fourth proportional to 134,683.70, 201,997.20 and 68,061.20 is: 102,077.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,683.70 : 201,997.20 = 68,061.20 : x
  2. Step 2: Convert to fraction form
    134,683.70/201,997.20 = 68,061.20/x
  3. Step 3: Cross multiply
    134,683.70x = 201,997.20 × 68,061.20
  4. Step 4: Simplify right side
    134,683.70x = 13,748,171,828.64
  5. Step 5: Solve for x
    x = 13,748,171,828.64/134,683.70
  6. Step 6: Final answer
    x = 102,077.47

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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.