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Finding the Fourth Proportional to 178,181.83, 245,883.63 and 106,519.51

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Solution

The fourth proportional to 178,181.83, 245,883.63 and 106,519.51 is: 146,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,181.83 : 245,883.63 = 106,519.51 : x
  2. Step 2: Convert to fraction form
    178,181.83/245,883.63 = 106,519.51/x
  3. Step 3: Cross multiply
    178,181.83x = 245,883.63 × 106,519.51
  4. Step 4: Simplify right side
    178,181.83x = 26,191,403,784.62
  5. Step 5: Solve for x
    x = 26,191,403,784.62/178,181.83
  6. Step 6: Final answer
    x = 146,992.56

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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.