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Finding the Fourth Proportional to 159,173.75, 238,678.46 and 46,839.37

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Solution

The fourth proportional to 159,173.75, 238,678.46 and 46,839.37 is: 70,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,173.75 : 238,678.46 = 46,839.37 : x
  2. Step 2: Convert to fraction form
    159,173.75/238,678.46 = 46,839.37/x
  3. Step 3: Cross multiply
    159,173.75x = 238,678.46 × 46,839.37
  4. Step 4: Simplify right side
    159,173.75x = 11,179,547,271.38
  5. Step 5: Solve for x
    x = 11,179,547,271.38/159,173.75
  6. Step 6: Final answer
    x = 70,234.87

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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.