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Finding the Fourth Proportional to 176,499.56, 243,575.28 and 103,889.32

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Solution

The fourth proportional to 176,499.56, 243,575.28 and 103,889.32 is: 143,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,499.56 : 243,575.28 = 103,889.32 : x
  2. Step 2: Convert to fraction form
    176,499.56/243,575.28 = 103,889.32/x
  3. Step 3: Cross multiply
    176,499.56x = 243,575.28 × 103,889.32
  4. Step 4: Simplify right side
    176,499.56x = 25,304,870,208.01
  5. Step 5: Solve for x
    x = 25,304,870,208.01/176,499.56
  6. Step 6: Final answer
    x = 143,370.73

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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.