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Finding the Fourth Proportional to 237,726.40, 356,503.20 and 119,358.40

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Solution

The fourth proportional to 237,726.40, 356,503.20 and 119,358.40 is: 178,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,726.40 : 356,503.20 = 119,358.40 : x
  2. Step 2: Convert to fraction form
    237,726.40/356,503.20 = 119,358.40/x
  3. Step 3: Cross multiply
    237,726.40x = 356,503.20 × 119,358.40
  4. Step 4: Simplify right side
    237,726.40x = 42,551,651,546.88
  5. Step 5: Solve for x
    x = 42,551,651,546.88/237,726.40
  6. Step 6: Final answer
    x = 178,994.22

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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.