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Finding the Fourth Proportional to 241,647.71, 333,436.78 and 139,653.48

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Solution

The fourth proportional to 241,647.71, 333,436.78 and 139,653.48 is: 192,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,647.71 : 333,436.78 = 139,653.48 : x
  2. Step 2: Convert to fraction form
    241,647.71/333,436.78 = 139,653.48/x
  3. Step 3: Cross multiply
    241,647.71x = 333,436.78 × 139,653.48
  4. Step 4: Simplify right side
    241,647.71x = 46,565,604,321.54
  5. Step 5: Solve for x
    x = 46,565,604,321.54/241,647.71
  6. Step 6: Final answer
    x = 192,700.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.