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Finding the Fourth Proportional to 85,882, 118,476.84 and 60,745.36

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Solution

The fourth proportional to 85,882, 118,476.84 and 60,745.36 is: 83,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,882 : 118,476.84 = 60,745.36 : x
  2. Step 2: Convert to fraction form
    85,882/118,476.84 = 60,745.36/x
  3. Step 3: Cross multiply
    85,882x = 118,476.84 × 60,745.36
  4. Step 4: Simplify right side
    85,882x = 7,196,918,297.46
  5. Step 5: Solve for x
    x = 7,196,918,297.46/85,882
  6. Step 6: Final answer
    x = 83,800.08

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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.