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Finding the Fourth Proportional to 124,597.50, 186,974.02 and 50,725.50

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Solution

The fourth proportional to 124,597.50, 186,974.02 and 50,725.50 is: 76,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,597.50 : 186,974.02 = 50,725.50 : x
  2. Step 2: Convert to fraction form
    124,597.50/186,974.02 = 50,725.50/x
  3. Step 3: Cross multiply
    124,597.50x = 186,974.02 × 50,725.50
  4. Step 4: Simplify right side
    124,597.50x = 9,484,350,651.51
  5. Step 5: Solve for x
    x = 9,484,350,651.51/124,597.50
  6. Step 6: Final answer
    x = 76,119.91

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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.