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Finding the Fourth Proportional to 88,669.60, 133,090.80 and 44,346.40

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Solution

The fourth proportional to 88,669.60, 133,090.80 and 44,346.40 is: 66,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,669.60 : 133,090.80 = 44,346.40 : x
  2. Step 2: Convert to fraction form
    88,669.60/133,090.80 = 44,346.40/x
  3. Step 3: Cross multiply
    88,669.60x = 133,090.80 × 44,346.40
  4. Step 4: Simplify right side
    88,669.60x = 5,902,097,853.12
  5. Step 5: Solve for x
    x = 5,902,097,853.12/88,669.60
  6. Step 6: Final answer
    x = 66,562.81

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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.