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Finding the Fourth Proportional to 189,413.01, 261,389.43 and 104,529.47

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Solution

The fourth proportional to 189,413.01, 261,389.43 and 104,529.47 is: 144,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,413.01 : 261,389.43 = 104,529.47 : x
  2. Step 2: Convert to fraction form
    189,413.01/261,389.43 = 104,529.47/x
  3. Step 3: Cross multiply
    189,413.01x = 261,389.43 × 104,529.47
  4. Step 4: Simplify right side
    189,413.01x = 27,322,897,274.55
  5. Step 5: Solve for x
    x = 27,322,897,274.55/189,413.01
  6. Step 6: Final answer
    x = 144,250.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.