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Finding the Fourth Proportional to 238,830.96, 358,233.48 and 72,606

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Solution

The fourth proportional to 238,830.96, 358,233.48 and 72,606 is: 108,905.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,830.96 : 358,233.48 = 72,606 : x
  2. Step 2: Convert to fraction form
    238,830.96/358,233.48 = 72,606/x
  3. Step 3: Cross multiply
    238,830.96x = 358,233.48 × 72,606
  4. Step 4: Simplify right side
    238,830.96x = 26,009,900,048.88
  5. Step 5: Solve for x
    x = 26,009,900,048.88/238,830.96
  6. Step 6: Final answer
    x = 108,905.06

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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.