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Finding the Fourth Proportional to 84,737.82, 116,943.06 and 51,214.62

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Solution

The fourth proportional to 84,737.82, 116,943.06 and 51,214.62 is: 70,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,737.82 : 116,943.06 = 51,214.62 : x
  2. Step 2: Convert to fraction form
    84,737.82/116,943.06 = 51,214.62/x
  3. Step 3: Cross multiply
    84,737.82x = 116,943.06 × 51,214.62
  4. Step 4: Simplify right side
    84,737.82x = 5,989,194,379.54
  5. Step 5: Solve for x
    x = 5,989,194,379.54/84,737.82
  6. Step 6: Final answer
    x = 70,679.12

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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.