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Finding the Fourth Proportional to 223,118.42, 307,800.41 and 132,422.92

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Solution

The fourth proportional to 223,118.42, 307,800.41 and 132,422.92 is: 182,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,118.42 : 307,800.41 = 132,422.92 : x
  2. Step 2: Convert to fraction form
    223,118.42/307,800.41 = 132,422.92/x
  3. Step 3: Cross multiply
    223,118.42x = 307,800.41 × 132,422.92
  4. Step 4: Simplify right side
    223,118.42x = 40,759,827,637.78
  5. Step 5: Solve for x
    x = 40,759,827,637.78/223,118.42
  6. Step 6: Final answer
    x = 182,682.49

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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.