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Finding the Fourth Proportional to 196,303.60, 294,892.80 and 188,333.20

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Solution

The fourth proportional to 196,303.60, 294,892.80 and 188,333.20 is: 282,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,303.60 : 294,892.80 = 188,333.20 : x
  2. Step 2: Convert to fraction form
    196,303.60/294,892.80 = 188,333.20/x
  3. Step 3: Cross multiply
    196,303.60x = 294,892.80 × 188,333.20
  4. Step 4: Simplify right side
    196,303.60x = 55,538,104,680.96
  5. Step 5: Solve for x
    x = 55,538,104,680.96/196,303.60
  6. Step 6: Final answer
    x = 282,919.44

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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.