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Finding the Fourth Proportional to 176,703.20, 243,844.86 and 96,128.64

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Solution

The fourth proportional to 176,703.20, 243,844.86 and 96,128.64 is: 132,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,703.20 : 243,844.86 = 96,128.64 : x
  2. Step 2: Convert to fraction form
    176,703.20/243,844.86 = 96,128.64/x
  3. Step 3: Cross multiply
    176,703.20x = 243,844.86 × 96,128.64
  4. Step 4: Simplify right side
    176,703.20x = 23,440,474,762.79
  5. Step 5: Solve for x
    x = 23,440,474,762.79/176,703.20
  6. Step 6: Final answer
    x = 132,654.50

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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.