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Finding the Fourth Proportional to 169,948.40, 254,922.60 and 142,300.40

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Solution

The fourth proportional to 169,948.40, 254,922.60 and 142,300.40 is: 213,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,948.40 : 254,922.60 = 142,300.40 : x
  2. Step 2: Convert to fraction form
    169,948.40/254,922.60 = 142,300.40/x
  3. Step 3: Cross multiply
    169,948.40x = 254,922.60 × 142,300.40
  4. Step 4: Simplify right side
    169,948.40x = 36,275,587,949.04
  5. Step 5: Solve for x
    x = 36,275,587,949.04/169,948.40
  6. Step 6: Final answer
    x = 213,450.60

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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.