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Finding the Fourth Proportional to 167,357.46, 251,036.12 and 42,698.46

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Solution

The fourth proportional to 167,357.46, 251,036.12 and 42,698.46 is: 64,047.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,357.46 : 251,036.12 = 42,698.46 : x
  2. Step 2: Convert to fraction form
    167,357.46/251,036.12 = 42,698.46/x
  3. Step 3: Cross multiply
    167,357.46x = 251,036.12 × 42,698.46
  4. Step 4: Simplify right side
    167,357.46x = 10,718,855,728.38
  5. Step 5: Solve for x
    x = 10,718,855,728.38/167,357.46
  6. Step 6: Final answer
    x = 64,047.67

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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.