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Finding the Fourth Proportional to 188,622.54, 260,304.03 and 103,741.83

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Solution

The fourth proportional to 188,622.54, 260,304.03 and 103,741.83 is: 143,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,622.54 : 260,304.03 = 103,741.83 : x
  2. Step 2: Convert to fraction form
    188,622.54/260,304.03 = 103,741.83/x
  3. Step 3: Cross multiply
    188,622.54x = 260,304.03 × 103,741.83
  4. Step 4: Simplify right side
    188,622.54x = 27,004,416,428.57
  5. Step 5: Solve for x
    x = 27,004,416,428.57/188,622.54
  6. Step 6: Final answer
    x = 143,166.43

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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.