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Finding the Fourth Proportional to 94,305.29, 130,138.70 and 51,863.86

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Solution

The fourth proportional to 94,305.29, 130,138.70 and 51,863.86 is: 71,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,305.29 : 130,138.70 = 51,863.86 : x
  2. Step 2: Convert to fraction form
    94,305.29/130,138.70 = 51,863.86/x
  3. Step 3: Cross multiply
    94,305.29x = 130,138.70 × 51,863.86
  4. Step 4: Simplify right side
    94,305.29x = 6,749,494,666.69
  5. Step 5: Solve for x
    x = 6,749,494,666.69/94,305.29
  6. Step 6: Final answer
    x = 71,570.69

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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.