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Finding the Fourth Proportional to 178,156.56, 245,887.74 and 106,544.46

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Solution

The fourth proportional to 178,156.56, 245,887.74 and 106,544.46 is: 147,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,156.56 : 245,887.74 = 106,544.46 : x
  2. Step 2: Convert to fraction form
    178,156.56/245,887.74 = 106,544.46/x
  3. Step 3: Cross multiply
    178,156.56x = 245,887.74 × 106,544.46
  4. Step 4: Simplify right side
    178,156.56x = 26,197,976,478.92
  5. Step 5: Solve for x
    x = 26,197,976,478.92/178,156.56
  6. Step 6: Final answer
    x = 147,050.30

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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.