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Finding the Fourth Proportional to 169,645.60, 254,176.80 and 110,450.80

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Solution

The fourth proportional to 169,645.60, 254,176.80 and 110,450.80 is: 165,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,645.60 : 254,176.80 = 110,450.80 : x
  2. Step 2: Convert to fraction form
    169,645.60/254,176.80 = 110,450.80/x
  3. Step 3: Cross multiply
    169,645.60x = 254,176.80 × 110,450.80
  4. Step 4: Simplify right side
    169,645.60x = 28,074,030,901.44
  5. Step 5: Solve for x
    x = 28,074,030,901.44/169,645.60
  6. Step 6: Final answer
    x = 165,486.35

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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.