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Finding the Fourth Proportional to 181,642.42, 250,722.22 and 117,111.74

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Solution

The fourth proportional to 181,642.42, 250,722.22 and 117,111.74 is: 161,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,642.42 : 250,722.22 = 117,111.74 : x
  2. Step 2: Convert to fraction form
    181,642.42/250,722.22 = 117,111.74/x
  3. Step 3: Cross multiply
    181,642.42x = 250,722.22 × 117,111.74
  4. Step 4: Simplify right side
    181,642.42x = 29,362,515,440.86
  5. Step 5: Solve for x
    x = 29,362,515,440.86/181,642.42
  6. Step 6: Final answer
    x = 161,650.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.