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Finding the Fourth Proportional to 178,908.92, 246,879.52 and 102,410.40

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Solution

The fourth proportional to 178,908.92, 246,879.52 and 102,410.40 is: 141,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,908.92 : 246,879.52 = 102,410.40 : x
  2. Step 2: Convert to fraction form
    178,908.92/246,879.52 = 102,410.40/x
  3. Step 3: Cross multiply
    178,908.92x = 246,879.52 × 102,410.40
  4. Step 4: Simplify right side
    178,908.92x = 25,283,030,395.01
  5. Step 5: Solve for x
    x = 25,283,030,395.01/178,908.92
  6. Step 6: Final answer
    x = 141,317.89

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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.