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Finding the Fourth Proportional to 194,633.40, 291,950.10 and 76,265.40

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Solution

The fourth proportional to 194,633.40, 291,950.10 and 76,265.40 is: 114,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,633.40 : 291,950.10 = 76,265.40 : x
  2. Step 2: Convert to fraction form
    194,633.40/291,950.10 = 76,265.40/x
  3. Step 3: Cross multiply
    194,633.40x = 291,950.10 × 76,265.40
  4. Step 4: Simplify right side
    194,633.40x = 22,265,691,156.54
  5. Step 5: Solve for x
    x = 22,265,691,156.54/194,633.40
  6. Step 6: Final answer
    x = 114,398.10

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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.