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Finding the Fourth Proportional to 124,393.39, 186,479.59 and 48,474.36

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Solution

The fourth proportional to 124,393.39, 186,479.59 and 48,474.36 is: 72,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,393.39 : 186,479.59 = 48,474.36 : x
  2. Step 2: Convert to fraction form
    124,393.39/186,479.59 = 48,474.36/x
  3. Step 3: Cross multiply
    124,393.39x = 186,479.59 × 48,474.36
  4. Step 4: Simplify right side
    124,393.39x = 9,039,477,866.94
  5. Step 5: Solve for x
    x = 9,039,477,866.94/124,393.39
  6. Step 6: Final answer
    x = 72,668.47

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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.