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Finding the Fourth Proportional to 127,076.84, 175,387.08 and 70,506.44

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Solution

The fourth proportional to 127,076.84, 175,387.08 and 70,506.44 is: 97,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,076.84 : 175,387.08 = 70,506.44 : x
  2. Step 2: Convert to fraction form
    127,076.84/175,387.08 = 70,506.44/x
  3. Step 3: Cross multiply
    127,076.84x = 175,387.08 × 70,506.44
  4. Step 4: Simplify right side
    127,076.84x = 12,365,917,755.86
  5. Step 5: Solve for x
    x = 12,365,917,755.86/127,076.84
  6. Step 6: Final answer
    x = 97,310.56

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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.