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Finding the Fourth Proportional to 94,889.83, 130,950.74 and 51,871.69

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Solution

The fourth proportional to 94,889.83, 130,950.74 and 51,871.69 is: 71,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,889.83 : 130,950.74 = 51,871.69 : x
  2. Step 2: Convert to fraction form
    94,889.83/130,950.74 = 51,871.69/x
  3. Step 3: Cross multiply
    94,889.83x = 130,950.74 × 51,871.69
  4. Step 4: Simplify right side
    94,889.83x = 6,792,636,190.55
  5. Step 5: Solve for x
    x = 6,792,636,190.55/94,889.83
  6. Step 6: Final answer
    x = 71,584.45

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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.