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Finding the Fourth Proportional to 125,877.98, 188,771.92 and 41,622.59

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Solution

The fourth proportional to 125,877.98, 188,771.92 and 41,622.59 is: 62,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,877.98 : 188,771.92 = 41,622.59 : x
  2. Step 2: Convert to fraction form
    125,877.98/188,771.92 = 41,622.59/x
  3. Step 3: Cross multiply
    125,877.98x = 188,771.92 × 41,622.59
  4. Step 4: Simplify right side
    125,877.98x = 7,857,176,597.55
  5. Step 5: Solve for x
    x = 7,857,176,597.55/125,877.98
  6. Step 6: Final answer
    x = 62,418.99

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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.