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Finding the Fourth Proportional to 96,927.71, 133,759.49 and 53,907.57

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Solution

The fourth proportional to 96,927.71, 133,759.49 and 53,907.57 is: 74,392.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,927.71 : 133,759.49 = 53,907.57 : x
  2. Step 2: Convert to fraction form
    96,927.71/133,759.49 = 53,907.57/x
  3. Step 3: Cross multiply
    96,927.71x = 133,759.49 × 53,907.57
  4. Step 4: Simplify right side
    96,927.71x = 7,210,648,800.80
  5. Step 5: Solve for x
    x = 7,210,648,800.80/96,927.71
  6. Step 6: Final answer
    x = 74,392.03

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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.