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Finding the Fourth Proportional to 122,369.34, 183,554.64 and 55,764.26

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Solution

The fourth proportional to 122,369.34, 183,554.64 and 55,764.26 is: 83,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,369.34 : 183,554.64 = 55,764.26 : x
  2. Step 2: Convert to fraction form
    122,369.34/183,554.64 = 55,764.26/x
  3. Step 3: Cross multiply
    122,369.34x = 183,554.64 × 55,764.26
  4. Step 4: Simplify right side
    122,369.34x = 10,235,787,751.39
  5. Step 5: Solve for x
    x = 10,235,787,751.39/122,369.34
  6. Step 6: Final answer
    x = 83,646.67

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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.