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Finding the Fourth Proportional to 178,181.60, 245,822.11 and 101,704.95

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Solution

The fourth proportional to 178,181.60, 245,822.11 and 101,704.95 is: 140,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,181.60 : 245,822.11 = 101,704.95 : x
  2. Step 2: Convert to fraction form
    178,181.60/245,822.11 = 101,704.95/x
  3. Step 3: Cross multiply
    178,181.60x = 245,822.11 × 101,704.95
  4. Step 4: Simplify right side
    178,181.60x = 25,001,325,152.18
  5. Step 5: Solve for x
    x = 25,001,325,152.18/178,181.60
  6. Step 6: Final answer
    x = 140,313.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.