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Finding the Fourth Proportional to 127,328.40, 190,992.60 and 44,222.40

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Solution

The fourth proportional to 127,328.40, 190,992.60 and 44,222.40 is: 66,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328.40 : 190,992.60 = 44,222.40 : x
  2. Step 2: Convert to fraction form
    127,328.40/190,992.60 = 44,222.40/x
  3. Step 3: Cross multiply
    127,328.40x = 190,992.60 × 44,222.40
  4. Step 4: Simplify right side
    127,328.40x = 8,446,151,154.24
  5. Step 5: Solve for x
    x = 8,446,151,154.24/127,328.40
  6. Step 6: Final answer
    x = 66,333.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.