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Finding the Fourth Proportional to 223,682.66, 308,580.39 and 132,987.20

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Solution

The fourth proportional to 223,682.66, 308,580.39 and 132,987.20 is: 183,461.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,682.66 : 308,580.39 = 132,987.20 : x
  2. Step 2: Convert to fraction form
    223,682.66/308,580.39 = 132,987.20/x
  3. Step 3: Cross multiply
    223,682.66x = 308,580.39 × 132,987.20
  4. Step 4: Simplify right side
    223,682.66x = 41,037,242,041.01
  5. Step 5: Solve for x
    x = 41,037,242,041.01/223,682.66
  6. Step 6: Final answer
    x = 183,461.88

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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.