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Finding the Fourth Proportional to 169,880.40, 234,448.08 and 101,900.04

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Solution

The fourth proportional to 169,880.40, 234,448.08 and 101,900.04 is: 140,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,880.40 : 234,448.08 = 101,900.04 : x
  2. Step 2: Convert to fraction form
    169,880.40/234,448.08 = 101,900.04/x
  3. Step 3: Cross multiply
    169,880.40x = 234,448.08 × 101,900.04
  4. Step 4: Simplify right side
    169,880.40x = 23,890,268,729.92
  5. Step 5: Solve for x
    x = 23,890,268,729.92/169,880.40
  6. Step 6: Final answer
    x = 140,629.93

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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.