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Finding the Fourth Proportional to 84,551.45, 116,624.81 and 54,374.95

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Solution

The fourth proportional to 84,551.45, 116,624.81 and 54,374.95 is: 75,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,551.45 : 116,624.81 = 54,374.95 : x
  2. Step 2: Convert to fraction form
    84,551.45/116,624.81 = 54,374.95/x
  3. Step 3: Cross multiply
    84,551.45x = 116,624.81 × 54,374.95
  4. Step 4: Simplify right side
    84,551.45x = 6,341,468,056.88
  5. Step 5: Solve for x
    x = 6,341,468,056.88/84,551.45
  6. Step 6: Final answer
    x = 75,001.29

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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.