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Finding the Fourth Proportional to 70,963.62, 97,927.56 and 39,133.86

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Solution

The fourth proportional to 70,963.62, 97,927.56 and 39,133.86 is: 54,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,963.62 : 97,927.56 = 39,133.86 : x
  2. Step 2: Convert to fraction form
    70,963.62/97,927.56 = 39,133.86/x
  3. Step 3: Cross multiply
    70,963.62x = 97,927.56 × 39,133.86
  4. Step 4: Simplify right side
    70,963.62x = 3,832,283,423.18
  5. Step 5: Solve for x
    x = 3,832,283,423.18/70,963.62
  6. Step 6: Final answer
    x = 54,003.49

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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.