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Finding the Fourth Proportional to 85,914.84, 118,507.95 and 62,076.54

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Solution

The fourth proportional to 85,914.84, 118,507.95 and 62,076.54 is: 85,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,914.84 : 118,507.95 = 62,076.54 : x
  2. Step 2: Convert to fraction form
    85,914.84/118,507.95 = 62,076.54/x
  3. Step 3: Cross multiply
    85,914.84x = 118,507.95 × 62,076.54
  4. Step 4: Simplify right side
    85,914.84x = 7,356,563,498.49
  5. Step 5: Solve for x
    x = 7,356,563,498.49/85,914.84
  6. Step 6: Final answer
    x = 85,626.23

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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.