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Finding the Fourth Proportional to 133,265.83, 183,901.51 and 72,837.20

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Solution

The fourth proportional to 133,265.83, 183,901.51 and 72,837.20 is: 100,512.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,265.83 : 183,901.51 = 72,837.20 : x
  2. Step 2: Convert to fraction form
    133,265.83/183,901.51 = 72,837.20/x
  3. Step 3: Cross multiply
    133,265.83x = 183,901.51 × 72,837.20
  4. Step 4: Simplify right side
    133,265.83x = 13,394,871,064.17
  5. Step 5: Solve for x
    x = 13,394,871,064.17/133,265.83
  6. Step 6: Final answer
    x = 100,512.42

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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.