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Finding the Fourth Proportional to 146,181.58, 201,730.60 and 79,113.58

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Solution

The fourth proportional to 146,181.58, 201,730.60 and 79,113.58 is: 109,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,181.58 : 201,730.60 = 79,113.58 : x
  2. Step 2: Convert to fraction form
    146,181.58/201,730.60 = 79,113.58/x
  3. Step 3: Cross multiply
    146,181.58x = 201,730.60 × 79,113.58
  4. Step 4: Simplify right side
    146,181.58x = 15,959,629,556.11
  5. Step 5: Solve for x
    x = 15,959,629,556.11/146,181.58
  6. Step 6: Final answer
    x = 109,176.75

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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.