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Finding the Fourth Proportional to 83,900.92, 115,783.02 and 46,175.14

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Solution

The fourth proportional to 83,900.92, 115,783.02 and 46,175.14 is: 63,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,900.92 : 115,783.02 = 46,175.14 : x
  2. Step 2: Convert to fraction form
    83,900.92/115,783.02 = 46,175.14/x
  3. Step 3: Cross multiply
    83,900.92x = 115,783.02 × 46,175.14
  4. Step 4: Simplify right side
    83,900.92x = 5,346,297,158.12
  5. Step 5: Solve for x
    x = 5,346,297,158.12/83,900.92
  6. Step 6: Final answer
    x = 63,721.56

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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.