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Finding the Fourth Proportional to 84,314.84, 116,303.54 and 55,624.28

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Solution

The fourth proportional to 84,314.84, 116,303.54 and 55,624.28 is: 76,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,314.84 : 116,303.54 = 55,624.28 : x
  2. Step 2: Convert to fraction form
    84,314.84/116,303.54 = 55,624.28/x
  3. Step 3: Cross multiply
    84,314.84x = 116,303.54 × 55,624.28
  4. Step 4: Simplify right side
    84,314.84x = 6,469,299,814.31
  5. Step 5: Solve for x
    x = 6,469,299,814.31/84,314.84
  6. Step 6: Final answer
    x = 76,727.90

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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.