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Finding the Fourth Proportional to 238,071.86, 356,955.87 and 103,063.22

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Solution

The fourth proportional to 238,071.86, 356,955.87 and 103,063.22 is: 154,529.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,071.86 : 356,955.87 = 103,063.22 : x
  2. Step 2: Convert to fraction form
    238,071.86/356,955.87 = 103,063.22/x
  3. Step 3: Cross multiply
    238,071.86x = 356,955.87 × 103,063.22
  4. Step 4: Simplify right side
    238,071.86x = 36,789,021,360.10
  5. Step 5: Solve for x
    x = 36,789,021,360.10/238,071.86
  6. Step 6: Final answer
    x = 154,529.06

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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.