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Finding the Fourth Proportional to 194,674.28, 291,885.87 and 76,357.58

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Solution

The fourth proportional to 194,674.28, 291,885.87 and 76,357.58 is: 114,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,674.28 : 291,885.87 = 76,357.58 : x
  2. Step 2: Convert to fraction form
    194,674.28/291,885.87 = 76,357.58/x
  3. Step 3: Cross multiply
    194,674.28x = 291,885.87 × 76,357.58
  4. Step 4: Simplify right side
    194,674.28x = 22,287,698,669.39
  5. Step 5: Solve for x
    x = 22,287,698,669.39/194,674.28
  6. Step 6: Final answer
    x = 114,487.13

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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.