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Finding the Fourth Proportional to 134,630.85, 188,114.55 and 134,630.85

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Solution

The fourth proportional to 134,630.85, 188,114.55 and 134,630.85 is: 188,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,630.85 : 188,114.55 = 134,630.85 : x
  2. Step 2: Convert to fraction form
    134,630.85/188,114.55 = 134,630.85/x
  3. Step 3: Cross multiply
    134,630.85x = 188,114.55 × 134,630.85
  4. Step 4: Simplify right side
    134,630.85x = 25,326,021,763.87
  5. Step 5: Solve for x
    x = 25,326,021,763.87/134,630.85
  6. Step 6: Final answer
    x = 188,114.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.