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Finding the Fourth Proportional to 84,730.68, 116,942.26 and 47,017.08

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Solution

The fourth proportional to 84,730.68, 116,942.26 and 47,017.08 is: 64,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,730.68 : 116,942.26 = 47,017.08 : x
  2. Step 2: Convert to fraction form
    84,730.68/116,942.26 = 47,017.08/x
  3. Step 3: Cross multiply
    84,730.68x = 116,942.26 × 47,017.08
  4. Step 4: Simplify right side
    84,730.68x = 5,498,283,593.80
  5. Step 5: Solve for x
    x = 5,498,283,593.80/84,730.68
  6. Step 6: Final answer
    x = 64,891.30

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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.