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Finding the Fourth Proportional to 96,907.53, 133,727.31 and 53,889.78

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Solution

The fourth proportional to 96,907.53, 133,727.31 and 53,889.78 is: 74,365.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,907.53 : 133,727.31 = 53,889.78 : x
  2. Step 2: Convert to fraction form
    96,907.53/133,727.31 = 53,889.78/x
  3. Step 3: Cross multiply
    96,907.53x = 133,727.31 × 53,889.78
  4. Step 4: Simplify right side
    96,907.53x = 7,206,535,315.89
  5. Step 5: Solve for x
    x = 7,206,535,315.89/96,907.53
  6. Step 6: Final answer
    x = 74,365.07

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1.5x scale

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.