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Finding the Fourth Proportional to 190,626.54, 285,877.17 and 64,232.76

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Solution

The fourth proportional to 190,626.54, 285,877.17 and 64,232.76 is: 96,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,626.54 : 285,877.17 = 64,232.76 : x
  2. Step 2: Convert to fraction form
    190,626.54/285,877.17 = 64,232.76/x
  3. Step 3: Cross multiply
    190,626.54x = 285,877.17 × 64,232.76
  4. Step 4: Simplify right side
    190,626.54x = 18,362,679,650.09
  5. Step 5: Solve for x
    x = 18,362,679,650.09/190,626.54
  6. Step 6: Final answer
    x = 96,328.03

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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.