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Finding the Fourth Proportional to 123,715.44, 185,421.15 and 57,063.06

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Solution

The fourth proportional to 123,715.44, 185,421.15 and 57,063.06 is: 85,524.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,715.44 : 185,421.15 = 57,063.06 : x
  2. Step 2: Convert to fraction form
    123,715.44/185,421.15 = 57,063.06/x
  3. Step 3: Cross multiply
    123,715.44x = 185,421.15 × 57,063.06
  4. Step 4: Simplify right side
    123,715.44x = 10,580,698,207.72
  5. Step 5: Solve for x
    x = 10,580,698,207.72/123,715.44
  6. Step 6: Final answer
    x = 85,524.48

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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.