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Finding the Fourth Proportional to 176,283.54, 243,233.28 and 104,687.64

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Solution

The fourth proportional to 176,283.54, 243,233.28 and 104,687.64 is: 144,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,283.54 : 243,233.28 = 104,687.64 : x
  2. Step 2: Convert to fraction form
    176,283.54/243,233.28 = 104,687.64/x
  3. Step 3: Cross multiply
    176,283.54x = 243,233.28 × 104,687.64
  4. Step 4: Simplify right side
    176,283.54x = 25,463,518,052.66
  5. Step 5: Solve for x
    x = 25,463,518,052.66/176,283.54
  6. Step 6: Final answer
    x = 144,446.37

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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.