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Finding the Fourth Proportional to 271,873.36, 408,059.10 and 145,656.10

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Solution

The fourth proportional to 271,873.36, 408,059.10 and 145,656.10 is: 218,617.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,873.36 : 408,059.10 = 145,656.10 : x
  2. Step 2: Convert to fraction form
    271,873.36/408,059.10 = 145,656.10/x
  3. Step 3: Cross multiply
    271,873.36x = 408,059.10 × 145,656.10
  4. Step 4: Simplify right side
    271,873.36x = 59,436,297,075.51
  5. Step 5: Solve for x
    x = 59,436,297,075.51/271,873.36
  6. Step 6: Final answer
    x = 218,617.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.