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Finding the Fourth Proportional to 68,087.64, 93,955.68 and 37,871.28

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Solution

The fourth proportional to 68,087.64, 93,955.68 and 37,871.28 is: 52,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,087.64 : 93,955.68 = 37,871.28 : x
  2. Step 2: Convert to fraction form
    68,087.64/93,955.68 = 37,871.28/x
  3. Step 3: Cross multiply
    68,087.64x = 93,955.68 × 37,871.28
  4. Step 4: Simplify right side
    68,087.64x = 3,558,221,864.87
  5. Step 5: Solve for x
    x = 3,558,221,864.87/68,087.64
  6. Step 6: Final answer
    x = 52,259.44

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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.