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Finding the Fourth Proportional to 127,848.20, 178,754.20 and 127,848.20

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Solution

The fourth proportional to 127,848.20, 178,754.20 and 127,848.20 is: 178,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,848.20 : 178,754.20 = 127,848.20 : x
  2. Step 2: Convert to fraction form
    127,848.20/178,754.20 = 127,848.20/x
  3. Step 3: Cross multiply
    127,848.20x = 178,754.20 × 127,848.20
  4. Step 4: Simplify right side
    127,848.20x = 22,853,402,712.44
  5. Step 5: Solve for x
    x = 22,853,402,712.44/127,848.20
  6. Step 6: Final answer
    x = 178,754.20

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.