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Finding the Fourth Proportional to 176,499.42, 243,604.62 and 104,865.64

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Solution

The fourth proportional to 176,499.42, 243,604.62 and 104,865.64 is: 144,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,499.42 : 243,604.62 = 104,865.64 : x
  2. Step 2: Convert to fraction form
    176,499.42/243,604.62 = 104,865.64/x
  3. Step 3: Cross multiply
    176,499.42x = 243,604.62 × 104,865.64
  4. Step 4: Simplify right side
    176,499.42x = 25,545,754,383.26
  5. Step 5: Solve for x
    x = 25,545,754,383.26/176,499.42
  6. Step 6: Final answer
    x = 144,735.63

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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.