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Finding the Fourth Proportional to 193,688.97, 290,525.54 and 53,444.01

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Solution

The fourth proportional to 193,688.97, 290,525.54 and 53,444.01 is: 80,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,688.97 : 290,525.54 = 53,444.01 : x
  2. Step 2: Convert to fraction form
    193,688.97/290,525.54 = 53,444.01/x
  3. Step 3: Cross multiply
    193,688.97x = 290,525.54 × 53,444.01
  4. Step 4: Simplify right side
    193,688.97x = 15,526,849,597.80
  5. Step 5: Solve for x
    x = 15,526,849,597.80/193,688.97
  6. Step 6: Final answer
    x = 80,163.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.