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Finding the Fourth Proportional to 136,361.94, 188,018.46 and 93,362.28

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Solution

The fourth proportional to 136,361.94, 188,018.46 and 93,362.28 is: 128,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,361.94 : 188,018.46 = 93,362.28 : x
  2. Step 2: Convert to fraction form
    136,361.94/188,018.46 = 93,362.28/x
  3. Step 3: Cross multiply
    136,361.94x = 188,018.46 × 93,362.28
  4. Step 4: Simplify right side
    136,361.94x = 17,553,832,107.69
  5. Step 5: Solve for x
    x = 17,553,832,107.69/136,361.94
  6. Step 6: Final answer
    x = 128,729.70

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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.