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Finding the Fourth Proportional to 127,146, 190,753.02 and 44,040

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Solution

The fourth proportional to 127,146, 190,753.02 and 44,040 is: 66,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,146 : 190,753.02 = 44,040 : x
  2. Step 2: Convert to fraction form
    127,146/190,753.02 = 44,040/x
  3. Step 3: Cross multiply
    127,146x = 190,753.02 × 44,040
  4. Step 4: Simplify right side
    127,146x = 8,400,763,000.80
  5. Step 5: Solve for x
    x = 8,400,763,000.80/127,146
  6. Step 6: Final answer
    x = 66,071.78

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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.