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Finding the Fourth Proportional to 84,230.98, 116,237.86 and 45,990.40

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Solution

The fourth proportional to 84,230.98, 116,237.86 and 45,990.40 is: 63,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,230.98 : 116,237.86 = 45,990.40 : x
  2. Step 2: Convert to fraction form
    84,230.98/116,237.86 = 45,990.40/x
  3. Step 3: Cross multiply
    84,230.98x = 116,237.86 × 45,990.40
  4. Step 4: Simplify right side
    84,230.98x = 5,345,825,863.46
  5. Step 5: Solve for x
    x = 5,345,825,863.46/84,230.98
  6. Step 6: Final answer
    x = 63,466.27

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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.