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Finding the Fourth Proportional to 169,101.20, 253,716.60 and 166,444.40

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Solution

The fourth proportional to 169,101.20, 253,716.60 and 166,444.40 is: 249,730.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,101.20 : 253,716.60 = 166,444.40 : x
  2. Step 2: Convert to fraction form
    169,101.20/253,716.60 = 166,444.40/x
  3. Step 3: Cross multiply
    169,101.20x = 253,716.60 × 166,444.40
  4. Step 4: Simplify right side
    169,101.20x = 42,229,707,257.04
  5. Step 5: Solve for x
    x = 42,229,707,257.04/169,101.20
  6. Step 6: Final answer
    x = 249,730.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.