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Finding the Fourth Proportional to 124,236, 186,383.16 and 41,130

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Solution

The fourth proportional to 124,236, 186,383.16 and 41,130 is: 61,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,236 : 186,383.16 = 41,130 : x
  2. Step 2: Convert to fraction form
    124,236/186,383.16 = 41,130/x
  3. Step 3: Cross multiply
    124,236x = 186,383.16 × 41,130
  4. Step 4: Simplify right side
    124,236x = 7,665,939,370.80
  5. Step 5: Solve for x
    x = 7,665,939,370.80/124,236
  6. Step 6: Final answer
    x = 61,704.65

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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.