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Finding the Fourth Proportional to 124,055.76, 186,096 and 39,794.88

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Solution

The fourth proportional to 124,055.76, 186,096 and 39,794.88 is: 59,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,055.76 : 186,096 = 39,794.88 : x
  2. Step 2: Convert to fraction form
    124,055.76/186,096 = 39,794.88/x
  3. Step 3: Cross multiply
    124,055.76x = 186,096 × 39,794.88
  4. Step 4: Simplify right side
    124,055.76x = 7,405,667,988.48
  5. Step 5: Solve for x
    x = 7,405,667,988.48/124,055.76
  6. Step 6: Final answer
    x = 59,696.28

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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.