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Finding the Fourth Proportional to 241,839, 333,639.54 and 139,844.88

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Solution

The fourth proportional to 241,839, 333,639.54 and 139,844.88 is: 192,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,839 : 333,639.54 = 139,844.88 : x
  2. Step 2: Convert to fraction form
    241,839/333,639.54 = 139,844.88/x
  3. Step 3: Cross multiply
    241,839x = 333,639.54 × 139,844.88
  4. Step 4: Simplify right side
    241,839x = 46,657,781,434.56
  5. Step 5: Solve for x
    x = 46,657,781,434.56/241,839
  6. Step 6: Final answer
    x = 192,929.10

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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.