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Finding the Fourth Proportional to 181,418.56, 250,406.88 and 117,752.48

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Solution

The fourth proportional to 181,418.56, 250,406.88 and 117,752.48 is: 162,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,418.56 : 250,406.88 = 117,752.48 : x
  2. Step 2: Convert to fraction form
    181,418.56/250,406.88 = 117,752.48/x
  3. Step 3: Cross multiply
    181,418.56x = 250,406.88 × 117,752.48
  4. Step 4: Simplify right side
    181,418.56x = 29,486,031,129.06
  5. Step 5: Solve for x
    x = 29,486,031,129.06/181,418.56
  6. Step 6: Final answer
    x = 162,530.40

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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.