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Finding the Fourth Proportional to 125,792.20, 188,712.60 and 37,048.60

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Solution

The fourth proportional to 125,792.20, 188,712.60 and 37,048.60 is: 55,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,792.20 : 188,712.60 = 37,048.60 : x
  2. Step 2: Convert to fraction form
    125,792.20/188,712.60 = 37,048.60/x
  3. Step 3: Cross multiply
    125,792.20x = 188,712.60 × 37,048.60
  4. Step 4: Simplify right side
    125,792.20x = 6,991,537,632.36
  5. Step 5: Solve for x
    x = 6,991,537,632.36/125,792.20
  6. Step 6: Final answer
    x = 55,580.06

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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.