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Finding the Fourth Proportional to 238,607, 329,269.27 and 131,176.25

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Solution

The fourth proportional to 238,607, 329,269.27 and 131,176.25 is: 181,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,607 : 329,269.27 = 131,176.25 : x
  2. Step 2: Convert to fraction form
    238,607/329,269.27 = 131,176.25/x
  3. Step 3: Cross multiply
    238,607x = 329,269.27 × 131,176.25
  4. Step 4: Simplify right side
    238,607x = 43,192,308,078.84
  5. Step 5: Solve for x
    x = 43,192,308,078.84/238,607
  6. Step 6: Final answer
    x = 181,018.61

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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.