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Finding the Fourth Proportional to 163,232.46, 225,078.87 and 105,796.17

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Solution

The fourth proportional to 163,232.46, 225,078.87 and 105,796.17 is: 145,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,232.46 : 225,078.87 = 105,796.17 : x
  2. Step 2: Convert to fraction form
    163,232.46/225,078.87 = 105,796.17/x
  3. Step 3: Cross multiply
    163,232.46x = 225,078.87 × 105,796.17
  4. Step 4: Simplify right side
    163,232.46x = 23,812,482,393.93
  5. Step 5: Solve for x
    x = 23,812,482,393.93/163,232.46
  6. Step 6: Final answer
    x = 145,880.80

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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.