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Finding the Fourth Proportional to 94,658.63, 130,631.36 and 51,638.82

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Solution

The fourth proportional to 94,658.63, 130,631.36 and 51,638.82 is: 71,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,658.63 : 130,631.36 = 51,638.82 : x
  2. Step 2: Convert to fraction form
    94,658.63/130,631.36 = 51,638.82/x
  3. Step 3: Cross multiply
    94,658.63x = 130,631.36 × 51,638.82
  4. Step 4: Simplify right side
    94,658.63x = 6,745,648,682.57
  5. Step 5: Solve for x
    x = 6,745,648,682.57/94,658.63
  6. Step 6: Final answer
    x = 71,262.91

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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.