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Finding the Fourth Proportional to 173,978.55, 240,206.04 and 133,620.19

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Solution

The fourth proportional to 173,978.55, 240,206.04 and 133,620.19 is: 184,484.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,978.55 : 240,206.04 = 133,620.19 : x
  2. Step 2: Convert to fraction form
    173,978.55/240,206.04 = 133,620.19/x
  3. Step 3: Cross multiply
    173,978.55x = 240,206.04 × 133,620.19
  4. Step 4: Simplify right side
    173,978.55x = 32,096,376,103.43
  5. Step 5: Solve for x
    x = 32,096,376,103.43/173,978.55
  6. Step 6: Final answer
    x = 184,484.67

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Why These Related Problems?

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