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Finding the Fourth Proportional to 124,399, 186,627.66 and 41,293

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Solution

The fourth proportional to 124,399, 186,627.66 and 41,293 is: 61,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,399 : 186,627.66 = 41,293 : x
  2. Step 2: Convert to fraction form
    124,399/186,627.66 = 41,293/x
  3. Step 3: Cross multiply
    124,399x = 186,627.66 × 41,293
  4. Step 4: Simplify right side
    124,399x = 7,706,415,964.38
  5. Step 5: Solve for x
    x = 7,706,415,964.38/124,399
  6. Step 6: Final answer
    x = 61,949.18

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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.