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Finding the Fourth Proportional to 123,295.69, 184,927.96 and 39,064.40

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Solution

The fourth proportional to 123,295.69, 184,927.96 and 39,064.40 is: 58,591.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,295.69 : 184,927.96 = 39,064.40 : x
  2. Step 2: Convert to fraction form
    123,295.69/184,927.96 = 39,064.40/x
  3. Step 3: Cross multiply
    123,295.69x = 184,927.96 × 39,064.40
  4. Step 4: Simplify right side
    123,295.69x = 7,224,100,138.40
  5. Step 5: Solve for x
    x = 7,224,100,138.40/123,295.69
  6. Step 6: Final answer
    x = 58,591.67

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1.5x scale

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.