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Finding the Fourth Proportional to 146,576.40, 219,864.60 and 129,663.60

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Solution

The fourth proportional to 146,576.40, 219,864.60 and 129,663.60 is: 194,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,576.40 : 219,864.60 = 129,663.60 : x
  2. Step 2: Convert to fraction form
    146,576.40/219,864.60 = 129,663.60/x
  3. Step 3: Cross multiply
    146,576.40x = 219,864.60 × 129,663.60
  4. Step 4: Simplify right side
    146,576.40x = 28,508,435,548.56
  5. Step 5: Solve for x
    x = 28,508,435,548.56/146,576.40
  6. Step 6: Final answer
    x = 194,495.40

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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.