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Finding the Fourth Proportional to 133,070.40, 183,655.62 and 76,480.56

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Solution

The fourth proportional to 133,070.40, 183,655.62 and 76,480.56 is: 105,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070.40 : 183,655.62 = 76,480.56 : x
  2. Step 2: Convert to fraction form
    133,070.40/183,655.62 = 76,480.56/x
  3. Step 3: Cross multiply
    133,070.40x = 183,655.62 × 76,480.56
  4. Step 4: Simplify right side
    133,070.40x = 14,046,084,664.75
  5. Step 5: Solve for x
    x = 14,046,084,664.75/133,070.40
  6. Step 6: Final answer
    x = 105,553.79

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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.