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Finding the Fourth Proportional to 194,765.16, 292,144.68 and 99,940.62

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Solution

The fourth proportional to 194,765.16, 292,144.68 and 99,940.62 is: 149,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,765.16 : 292,144.68 = 99,940.62 : x
  2. Step 2: Convert to fraction form
    194,765.16/292,144.68 = 99,940.62/x
  3. Step 3: Cross multiply
    194,765.16x = 292,144.68 × 99,940.62
  4. Step 4: Simplify right side
    194,765.16x = 29,197,120,448.90
  5. Step 5: Solve for x
    x = 29,197,120,448.90/194,765.16
  6. Step 6: Final answer
    x = 149,909.36

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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.