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Finding the Fourth Proportional to 68,101.84, 93,903.04 and 47,952.28

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Solution

The fourth proportional to 68,101.84, 93,903.04 and 47,952.28 is: 66,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,101.84 : 93,903.04 = 47,952.28 : x
  2. Step 2: Convert to fraction form
    68,101.84/93,903.04 = 47,952.28/x
  3. Step 3: Cross multiply
    68,101.84x = 93,903.04 × 47,952.28
  4. Step 4: Simplify right side
    68,101.84x = 4,502,864,866.93
  5. Step 5: Solve for x
    x = 4,502,864,866.93/68,101.84
  6. Step 6: Final answer
    x = 66,119.58

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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.