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Finding the Fourth Proportional to 236,374.30, 326,183.30 and 134,385.38

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Solution

The fourth proportional to 236,374.30, 326,183.30 and 134,385.38 is: 185,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,374.30 : 326,183.30 = 134,385.38 : x
  2. Step 2: Convert to fraction form
    236,374.30/326,183.30 = 134,385.38/x
  3. Step 3: Cross multiply
    236,374.30x = 326,183.30 × 134,385.38
  4. Step 4: Simplify right side
    236,374.30x = 43,834,266,900.36
  5. Step 5: Solve for x
    x = 43,834,266,900.36/236,374.30
  6. Step 6: Final answer
    x = 185,444.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.