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Finding the Fourth Proportional to 94,369.78, 130,231.50 and 51,927.40

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Solution

The fourth proportional to 94,369.78, 130,231.50 and 51,927.40 is: 71,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,369.78 : 130,231.50 = 51,927.40 : x
  2. Step 2: Convert to fraction form
    94,369.78/130,231.50 = 51,927.40/x
  3. Step 3: Cross multiply
    94,369.78x = 130,231.50 × 51,927.40
  4. Step 4: Simplify right side
    94,369.78x = 6,762,583,193.10
  5. Step 5: Solve for x
    x = 6,762,583,193.10/94,369.78
  6. Step 6: Final answer
    x = 71,660.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.