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Finding the Fourth Proportional to 223,476.63, 308,353.64 and 125,363.13

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Solution

The fourth proportional to 223,476.63, 308,353.64 and 125,363.13 is: 172,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,476.63 : 308,353.64 = 125,363.13 : x
  2. Step 2: Convert to fraction form
    223,476.63/308,353.64 = 125,363.13/x
  3. Step 3: Cross multiply
    223,476.63x = 308,353.64 × 125,363.13
  4. Step 4: Simplify right side
    223,476.63x = 38,656,176,830.48
  5. Step 5: Solve for x
    x = 38,656,176,830.48/223,476.63
  6. Step 6: Final answer
    x = 172,976.37

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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.