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Finding the Fourth Proportional to 181,319.58, 271,885.52 and 81,393.74

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Solution

The fourth proportional to 181,319.58, 271,885.52 and 81,393.74 is: 122,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,319.58 : 271,885.52 = 81,393.74 : x
  2. Step 2: Convert to fraction form
    181,319.58/271,885.52 = 81,393.74/x
  3. Step 3: Cross multiply
    181,319.58x = 271,885.52 × 81,393.74
  4. Step 4: Simplify right side
    181,319.58x = 22,129,779,324.64
  5. Step 5: Solve for x
    x = 22,129,779,324.64/181,319.58
  6. Step 6: Final answer
    x = 122,048.48

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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.