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Finding the Fourth Proportional to 223,304.88, 308,174.51 and 127,809.53

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Solution

The fourth proportional to 223,304.88, 308,174.51 and 127,809.53 is: 176,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,304.88 : 308,174.51 = 127,809.53 : x
  2. Step 2: Convert to fraction form
    223,304.88/308,174.51 = 127,809.53/x
  3. Step 3: Cross multiply
    223,304.88x = 308,174.51 × 127,809.53
  4. Step 4: Simplify right side
    223,304.88x = 39,387,639,281.08
  5. Step 5: Solve for x
    x = 39,387,639,281.08/223,304.88
  6. Step 6: Final answer
    x = 176,385.04

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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.