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Finding the Fourth Proportional to 194,359.50, 290,880.90 and 119,527.11

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Solution

The fourth proportional to 194,359.50, 290,880.90 and 119,527.11 is: 178,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,359.50 : 290,880.90 = 119,527.11 : x
  2. Step 2: Convert to fraction form
    194,359.50/290,880.90 = 119,527.11/x
  3. Step 3: Cross multiply
    194,359.50x = 290,880.90 × 119,527.11
  4. Step 4: Simplify right side
    194,359.50x = 34,768,153,331.20
  5. Step 5: Solve for x
    x = 34,768,153,331.20/194,359.50
  6. Step 6: Final answer
    x = 178,885.79

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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.