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Finding the Fourth Proportional to 238,603.60, 329,273.64 and 136,630.60

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Solution

The fourth proportional to 238,603.60, 329,273.64 and 136,630.60 is: 188,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,603.60 : 329,273.64 = 136,630.60 : x
  2. Step 2: Convert to fraction form
    238,603.60/329,273.64 = 136,630.60/x
  3. Step 3: Cross multiply
    238,603.60x = 329,273.64 × 136,630.60
  4. Step 4: Simplify right side
    238,603.60x = 44,988,854,997.38
  5. Step 5: Solve for x
    x = 44,988,854,997.38/238,603.60
  6. Step 6: Final answer
    x = 188,550.61

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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.