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Finding the Fourth Proportional to 68,250.54, 94,277.75 and 61,884.35

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Solution

The fourth proportional to 68,250.54, 94,277.75 and 61,884.35 is: 85,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,250.54 : 94,277.75 = 61,884.35 : x
  2. Step 2: Convert to fraction form
    68,250.54/94,277.75 = 61,884.35/x
  3. Step 3: Cross multiply
    68,250.54x = 94,277.75 × 61,884.35
  4. Step 4: Simplify right side
    68,250.54x = 5,834,316,497.40
  5. Step 5: Solve for x
    x = 5,834,316,497.40/68,250.54
  6. Step 6: Final answer
    x = 85,483.81

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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.