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Finding the Fourth Proportional to 196,308.66, 294,522.11 and 69,932.40

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Solution

The fourth proportional to 196,308.66, 294,522.11 and 69,932.40 is: 104,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,308.66 : 294,522.11 = 69,932.40 : x
  2. Step 2: Convert to fraction form
    196,308.66/294,522.11 = 69,932.40/x
  3. Step 3: Cross multiply
    196,308.66x = 294,522.11 × 69,932.40
  4. Step 4: Simplify right side
    196,308.66x = 20,596,637,655.70
  5. Step 5: Solve for x
    x = 20,596,637,655.70/196,308.66
  6. Step 6: Final answer
    x = 104,919.66

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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.