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Finding the Fourth Proportional to 182,445, 273,442.86 and 129,568.20

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Solution

The fourth proportional to 182,445, 273,442.86 and 129,568.20 is: 194,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,445 : 273,442.86 = 129,568.20 : x
  2. Step 2: Convert to fraction form
    182,445/273,442.86 = 129,568.20/x
  3. Step 3: Cross multiply
    182,445x = 273,442.86 × 129,568.20
  4. Step 4: Simplify right side
    182,445x = 35,429,499,173.05
  5. Step 5: Solve for x
    x = 35,429,499,173.05/182,445
  6. Step 6: Final answer
    x = 194,192.77

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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.