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Finding the Fourth Proportional to 124,393.70, 186,480.04 and 48,474.66

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Solution

The fourth proportional to 124,393.70, 186,480.04 and 48,474.66 is: 72,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,393.70 : 186,480.04 = 48,474.66 : x
  2. Step 2: Convert to fraction form
    124,393.70/186,480.04 = 48,474.66/x
  3. Step 3: Cross multiply
    124,393.70x = 186,480.04 × 48,474.66
  4. Step 4: Simplify right side
    124,393.70x = 9,039,556,816.65
  5. Step 5: Solve for x
    x = 9,039,556,816.65/124,393.70
  6. Step 6: Final answer
    x = 72,668.93

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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.