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Finding the Fourth Proportional to 176,700.72, 243,844.44 and 96,128.94

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Solution

The fourth proportional to 176,700.72, 243,844.44 and 96,128.94 is: 132,656.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,700.72 : 243,844.44 = 96,128.94 : x
  2. Step 2: Convert to fraction form
    176,700.72/243,844.44 = 96,128.94/x
  3. Step 3: Cross multiply
    176,700.72x = 243,844.44 × 96,128.94
  4. Step 4: Simplify right side
    176,700.72x = 23,440,507,542.09
  5. Step 5: Solve for x
    x = 23,440,507,542.09/176,700.72
  6. Step 6: Final answer
    x = 132,656.55

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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.