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Finding the Fourth Proportional to 125,473.22, 188,258.83 and 55,303.32

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Solution

The fourth proportional to 125,473.22, 188,258.83 and 55,303.32 is: 82,976.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,473.22 : 188,258.83 = 55,303.32 : x
  2. Step 2: Convert to fraction form
    125,473.22/188,258.83 = 55,303.32/x
  3. Step 3: Cross multiply
    125,473.22x = 188,258.83 × 55,303.32
  4. Step 4: Simplify right side
    125,473.22x = 10,411,338,180.06
  5. Step 5: Solve for x
    x = 10,411,338,180.06/125,473.22
  6. Step 6: Final answer
    x = 82,976.58

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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.