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Finding the Fourth Proportional to 223,270.32, 308,117.88 and 122,674.80

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Solution

The fourth proportional to 223,270.32, 308,117.88 and 122,674.80 is: 169,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,270.32 : 308,117.88 = 122,674.80 : x
  2. Step 2: Convert to fraction form
    223,270.32/308,117.88 = 122,674.80/x
  3. Step 3: Cross multiply
    223,270.32x = 308,117.88 × 122,674.80
  4. Step 4: Simplify right side
    223,270.32x = 37,798,299,305.42
  5. Step 5: Solve for x
    x = 37,798,299,305.42/223,270.32
  6. Step 6: Final answer
    x = 169,293.88

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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.