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Finding the Fourth Proportional to 94,778.94, 130,823.90 and 58,491.48

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Solution

The fourth proportional to 94,778.94, 130,823.90 and 58,491.48 is: 80,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,778.94 : 130,823.90 = 58,491.48 : x
  2. Step 2: Convert to fraction form
    94,778.94/130,823.90 = 58,491.48/x
  3. Step 3: Cross multiply
    94,778.94x = 130,823.90 × 58,491.48
  4. Step 4: Simplify right side
    94,778.94x = 7,652,083,237.91
  5. Step 5: Solve for x
    x = 7,652,083,237.91/94,778.94
  6. Step 6: Final answer
    x = 80,736.11

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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.