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Finding the Fourth Proportional to 133,677.60, 184,470.48 and 74,061.60

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Solution

The fourth proportional to 133,677.60, 184,470.48 and 74,061.60 is: 102,202.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,677.60 : 184,470.48 = 74,061.60 : x
  2. Step 2: Convert to fraction form
    133,677.60/184,470.48 = 74,061.60/x
  3. Step 3: Cross multiply
    133,677.60x = 184,470.48 × 74,061.60
  4. Step 4: Simplify right side
    133,677.60x = 13,662,178,901.57
  5. Step 5: Solve for x
    x = 13,662,178,901.57/133,677.60
  6. Step 6: Final answer
    x = 102,202.46

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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.