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Finding the Fourth Proportional to 95,411.81, 131,669.81 and 52,970.78

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Solution

The fourth proportional to 95,411.81, 131,669.81 and 52,970.78 is: 73,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,411.81 : 131,669.81 = 52,970.78 : x
  2. Step 2: Convert to fraction form
    95,411.81/131,669.81 = 52,970.78/x
  3. Step 3: Cross multiply
    95,411.81x = 131,669.81 × 52,970.78
  4. Step 4: Simplify right side
    95,411.81x = 6,974,651,614.95
  5. Step 5: Solve for x
    x = 6,974,651,614.95/95,411.81
  6. Step 6: Final answer
    x = 73,100.51

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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.