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Finding the Fourth Proportional to 238,188.60, 356,991.30 and 104,927.40

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Solution

The fourth proportional to 238,188.60, 356,991.30 and 104,927.40 is: 157,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,188.60 : 356,991.30 = 104,927.40 : x
  2. Step 2: Convert to fraction form
    238,188.60/356,991.30 = 104,927.40/x
  3. Step 3: Cross multiply
    238,188.60x = 356,991.30 × 104,927.40
  4. Step 4: Simplify right side
    238,188.60x = 37,458,168,931.62
  5. Step 5: Solve for x
    x = 37,458,168,931.62/238,188.60
  6. Step 6: Final answer
    x = 157,262.64

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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.