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Finding the Fourth Proportional to 84,093.84, 116,057.70 and 62,836.20

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Solution

The fourth proportional to 84,093.84, 116,057.70 and 62,836.20 is: 86,720.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,093.84 : 116,057.70 = 62,836.20 : x
  2. Step 2: Convert to fraction form
    84,093.84/116,057.70 = 62,836.20/x
  3. Step 3: Cross multiply
    84,093.84x = 116,057.70 × 62,836.20
  4. Step 4: Simplify right side
    84,093.84x = 7,292,624,848.74
  5. Step 5: Solve for x
    x = 7,292,624,848.74/84,093.84
  6. Step 6: Final answer
    x = 86,720.08

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1.5x scale

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.