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Finding the Fourth Proportional to 169,528.80, 254,293.20 and 166,418.40

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Solution

The fourth proportional to 169,528.80, 254,293.20 and 166,418.40 is: 249,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,528.80 : 254,293.20 = 166,418.40 : x
  2. Step 2: Convert to fraction form
    169,528.80/254,293.20 = 166,418.40/x
  3. Step 3: Cross multiply
    169,528.80x = 254,293.20 × 166,418.40
  4. Step 4: Simplify right side
    169,528.80x = 42,319,067,474.88
  5. Step 5: Solve for x
    x = 42,319,067,474.88/169,528.80
  6. Step 6: Final answer
    x = 249,627.60

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1.5x scale

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.