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Finding the Fourth Proportional to 176,354.61, 243,203.58 and 136,004.46

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Solution

The fourth proportional to 176,354.61, 243,203.58 and 136,004.46 is: 187,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,354.61 : 243,203.58 = 136,004.46 : x
  2. Step 2: Convert to fraction form
    176,354.61/243,203.58 = 136,004.46/x
  3. Step 3: Cross multiply
    176,354.61x = 243,203.58 × 136,004.46
  4. Step 4: Simplify right side
    176,354.61x = 33,076,771,469.97
  5. Step 5: Solve for x
    x = 33,076,771,469.97/176,354.61
  6. Step 6: Final answer
    x = 187,558.31

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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.