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Finding the Fourth Proportional to 168,152.31, 252,145.85 and 55,794.38

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Solution

The fourth proportional to 168,152.31, 252,145.85 and 55,794.38 is: 83,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,152.31 : 252,145.85 = 55,794.38 : x
  2. Step 2: Convert to fraction form
    168,152.31/252,145.85 = 55,794.38/x
  3. Step 3: Cross multiply
    168,152.31x = 252,145.85 × 55,794.38
  4. Step 4: Simplify right side
    168,152.31x = 14,068,319,830.62
  5. Step 5: Solve for x
    x = 14,068,319,830.62/168,152.31
  6. Step 6: Final answer
    x = 83,664.15

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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.