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Finding the Fourth Proportional to 124,513.64, 186,736.54 and 41,396.84

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Solution

The fourth proportional to 124,513.64, 186,736.54 and 41,396.84 is: 62,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,513.64 : 186,736.54 = 41,396.84 : x
  2. Step 2: Convert to fraction form
    124,513.64/186,736.54 = 41,396.84/x
  3. Step 3: Cross multiply
    124,513.64x = 186,736.54 × 41,396.84
  4. Step 4: Simplify right side
    124,513.64x = 7,730,302,668.53
  5. Step 5: Solve for x
    x = 7,730,302,668.53/124,513.64
  6. Step 6: Final answer
    x = 62,083.98

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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.