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Finding the Fourth Proportional to 63,160.70, 87,160.47 and 36,302.51

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Solution

The fourth proportional to 63,160.70, 87,160.47 and 36,302.51 is: 50,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,160.70 : 87,160.47 = 36,302.51 : x
  2. Step 2: Convert to fraction form
    63,160.70/87,160.47 = 36,302.51/x
  3. Step 3: Cross multiply
    63,160.70x = 87,160.47 × 36,302.51
  4. Step 4: Simplify right side
    63,160.70x = 3,164,143,833.78
  5. Step 5: Solve for x
    x = 3,164,143,833.78/63,160.70
  6. Step 6: Final answer
    x = 50,096.72

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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.