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Finding the Fourth Proportional to 115,550.49, 159,460.73 and 67,804.63

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Solution

The fourth proportional to 115,550.49, 159,460.73 and 67,804.63 is: 93,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,550.49 : 159,460.73 = 67,804.63 : x
  2. Step 2: Convert to fraction form
    115,550.49/159,460.73 = 67,804.63/x
  3. Step 3: Cross multiply
    115,550.49x = 159,460.73 × 67,804.63
  4. Step 4: Simplify right side
    115,550.49x = 10,812,175,797.18
  5. Step 5: Solve for x
    x = 10,812,175,797.18/115,550.49
  6. Step 6: Final answer
    x = 93,571.01

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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.