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Finding the Fourth Proportional to 125,346.40, 188,029.32 and 36,597.94

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Solution

The fourth proportional to 125,346.40, 188,029.32 and 36,597.94 is: 54,899.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,346.40 : 188,029.32 = 36,597.94 : x
  2. Step 2: Convert to fraction form
    125,346.40/188,029.32 = 36,597.94/x
  3. Step 3: Cross multiply
    125,346.40x = 188,029.32 × 36,597.94
  4. Step 4: Simplify right side
    125,346.40x = 6,881,485,771.60
  5. Step 5: Solve for x
    x = 6,881,485,771.60/125,346.40
  6. Step 6: Final answer
    x = 54,899.75

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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.