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Finding the Fourth Proportional to 96,907.68, 133,739.64 and 59,189.04

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Solution

The fourth proportional to 96,907.68, 133,739.64 and 59,189.04 is: 81,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,907.68 : 133,739.64 = 59,189.04 : x
  2. Step 2: Convert to fraction form
    96,907.68/133,739.64 = 59,189.04/x
  3. Step 3: Cross multiply
    96,907.68x = 133,739.64 × 59,189.04
  4. Step 4: Simplify right side
    96,907.68x = 7,915,920,901.55
  5. Step 5: Solve for x
    x = 7,915,920,901.55/96,907.68
  6. Step 6: Final answer
    x = 81,685.18

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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.