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Finding the Fourth Proportional to 223,043.04, 307,817.73 and 127,568.16

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Solution

The fourth proportional to 223,043.04, 307,817.73 and 127,568.16 is: 176,054.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,043.04 : 307,817.73 = 127,568.16 : x
  2. Step 2: Convert to fraction form
    223,043.04/307,817.73 = 127,568.16/x
  3. Step 3: Cross multiply
    223,043.04x = 307,817.73 × 127,568.16
  4. Step 4: Simplify right side
    223,043.04x = 39,267,741,431.48
  5. Step 5: Solve for x
    x = 39,267,741,431.48/223,043.04
  6. Step 6: Final answer
    x = 176,054.55

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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.