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Finding the Fourth Proportional to 84,347.70, 116,399.81 and 46,107.40

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Solution

The fourth proportional to 84,347.70, 116,399.81 and 46,107.40 is: 63,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,347.70 : 116,399.81 = 46,107.40 : x
  2. Step 2: Convert to fraction form
    84,347.70/116,399.81 = 46,107.40/x
  3. Step 3: Cross multiply
    84,347.70x = 116,399.81 × 46,107.40
  4. Step 4: Simplify right side
    84,347.70x = 5,366,892,599.59
  5. Step 5: Solve for x
    x = 5,366,892,599.59/84,347.70
  6. Step 6: Final answer
    x = 63,628.20

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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.