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Finding the Fourth Proportional to 168,321.60, 252,482.40 and 167,155.20

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Solution

The fourth proportional to 168,321.60, 252,482.40 and 167,155.20 is: 250,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,321.60 : 252,482.40 = 167,155.20 : x
  2. Step 2: Convert to fraction form
    168,321.60/252,482.40 = 167,155.20/x
  3. Step 3: Cross multiply
    168,321.60x = 252,482.40 × 167,155.20
  4. Step 4: Simplify right side
    168,321.60x = 42,203,746,068.48
  5. Step 5: Solve for x
    x = 42,203,746,068.48/168,321.60
  6. Step 6: Final answer
    x = 250,732.80

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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.