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Finding the Fourth Proportional to 125,520.60, 188,271.37 and 41,283.51

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Solution

The fourth proportional to 125,520.60, 188,271.37 and 41,283.51 is: 61,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,520.60 : 188,271.37 = 41,283.51 : x
  2. Step 2: Convert to fraction form
    125,520.60/188,271.37 = 41,283.51/x
  3. Step 3: Cross multiply
    125,520.60x = 188,271.37 × 41,283.51
  4. Step 4: Simplify right side
    125,520.60x = 7,772,502,986.11
  5. Step 5: Solve for x
    x = 7,772,502,986.11/125,520.60
  6. Step 6: Final answer
    x = 61,922.13

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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.