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Finding the Fourth Proportional to 196,984.32, 295,372.80 and 134,672.64

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Solution

The fourth proportional to 196,984.32, 295,372.80 and 134,672.64 is: 201,938.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,984.32 : 295,372.80 = 134,672.64 : x
  2. Step 2: Convert to fraction form
    196,984.32/295,372.80 = 134,672.64/x
  3. Step 3: Cross multiply
    196,984.32x = 295,372.80 × 134,672.64
  4. Step 4: Simplify right side
    196,984.32x = 39,778,634,760.19
  5. Step 5: Solve for x
    x = 39,778,634,760.19/196,984.32
  6. Step 6: Final answer
    x = 201,938.08

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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.