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Finding the Fourth Proportional to 223,279.35, 308,124.27 and 121,304.00

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Solution

The fourth proportional to 223,279.35, 308,124.27 and 121,304.00 is: 167,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,279.35 : 308,124.27 = 121,304.00 : x
  2. Step 2: Convert to fraction form
    223,279.35/308,124.27 = 121,304.00/x
  3. Step 3: Cross multiply
    223,279.35x = 308,124.27 × 121,304.00
  4. Step 4: Simplify right side
    223,279.35x = 37,376,704,907.46
  5. Step 5: Solve for x
    x = 37,376,704,907.46/223,279.35
  6. Step 6: Final answer
    x = 167,398.84

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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.