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Finding the Fourth Proportional to 210,069.23, 289,899 and 114,575.93

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Solution

The fourth proportional to 210,069.23, 289,899 and 114,575.93 is: 158,116.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,069.23 : 289,899 = 114,575.93 : x
  2. Step 2: Convert to fraction form
    210,069.23/289,899 = 114,575.93/x
  3. Step 3: Cross multiply
    210,069.23x = 289,899 × 114,575.93
  4. Step 4: Simplify right side
    210,069.23x = 33,215,447,576.37
  5. Step 5: Solve for x
    x = 33,215,447,576.37/210,069.23
  6. Step 6: Final answer
    x = 158,116.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.