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Finding the Fourth Proportional to 332,125.30, 498,123.15 and 107,431.30

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Solution

The fourth proportional to 332,125.30, 498,123.15 and 107,431.30 is: 161,125.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,125.30 : 498,123.15 = 107,431.30 : x
  2. Step 2: Convert to fraction form
    332,125.30/498,123.15 = 107,431.30/x
  3. Step 3: Cross multiply
    332,125.30x = 498,123.15 × 107,431.30
  4. Step 4: Simplify right side
    332,125.30x = 53,514,017,564.60
  5. Step 5: Solve for x
    x = 53,514,017,564.60/332,125.30
  6. Step 6: Final answer
    x = 161,125.99

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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.