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Finding the Fourth Proportional to 82,848.60, 124,272.90 and 27,444.60

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Solution

The fourth proportional to 82,848.60, 124,272.90 and 27,444.60 is: 41,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,848.60 : 124,272.90 = 27,444.60 : x
  2. Step 2: Convert to fraction form
    82,848.60/124,272.90 = 27,444.60/x
  3. Step 3: Cross multiply
    82,848.60x = 124,272.90 × 27,444.60
  4. Step 4: Simplify right side
    82,848.60x = 3,410,620,031.34
  5. Step 5: Solve for x
    x = 3,410,620,031.34/82,848.60
  6. Step 6: Final answer
    x = 41,166.90

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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.