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Finding the Fourth Proportional to 196,515.60, 294,773.40 and 113,312.40

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Solution

The fourth proportional to 196,515.60, 294,773.40 and 113,312.40 is: 169,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,515.60 : 294,773.40 = 113,312.40 : x
  2. Step 2: Convert to fraction form
    196,515.60/294,773.40 = 113,312.40/x
  3. Step 3: Cross multiply
    196,515.60x = 294,773.40 × 113,312.40
  4. Step 4: Simplify right side
    196,515.60x = 33,401,481,410.16
  5. Step 5: Solve for x
    x = 33,401,481,410.16/196,515.60
  6. Step 6: Final answer
    x = 169,968.60

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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.