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Finding the Fourth Proportional to 238,373.01, 357,553.98 and 120,012.57

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Solution

The fourth proportional to 238,373.01, 357,553.98 and 120,012.57 is: 180,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,373.01 : 357,553.98 = 120,012.57 : x
  2. Step 2: Convert to fraction form
    238,373.01/357,553.98 = 120,012.57/x
  3. Step 3: Cross multiply
    238,373.01x = 357,553.98 × 120,012.57
  4. Step 4: Simplify right side
    238,373.01x = 42,910,972,053.53
  5. Step 5: Solve for x
    x = 42,910,972,053.53/238,373.01
  6. Step 6: Final answer
    x = 180,016.07

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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.