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Finding the Fourth Proportional to 178,173.40, 245,883.25 and 101,690.94

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Solution

The fourth proportional to 178,173.40, 245,883.25 and 101,690.94 is: 140,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,173.40 : 245,883.25 = 101,690.94 : x
  2. Step 2: Convert to fraction form
    178,173.40/245,883.25 = 101,690.94/x
  3. Step 3: Cross multiply
    178,173.40x = 245,883.25 × 101,690.94
  4. Step 4: Simplify right side
    178,173.40x = 25,004,099,299.92
  5. Step 5: Solve for x
    x = 25,004,099,299.92/178,173.40
  6. Step 6: Final answer
    x = 140,335.76

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1.5x scale

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.