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Finding the Fourth Proportional to 194,152.53, 291,361.74 and 67,792.74

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Solution

The fourth proportional to 194,152.53, 291,361.74 and 67,792.74 is: 101,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,152.53 : 291,361.74 = 67,792.74 : x
  2. Step 2: Convert to fraction form
    194,152.53/291,361.74 = 67,792.74/x
  3. Step 3: Cross multiply
    194,152.53x = 291,361.74 × 67,792.74
  4. Step 4: Simplify right side
    194,152.53x = 19,752,210,685.77
  5. Step 5: Solve for x
    x = 19,752,210,685.77/194,152.53
  6. Step 6: Final answer
    x = 101,735.53

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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.