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Finding the Fourth Proportional to 110,886.87, 166,312.11 and 30,930.29

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Solution

The fourth proportional to 110,886.87, 166,312.11 and 30,930.29 is: 46,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,886.87 : 166,312.11 = 30,930.29 : x
  2. Step 2: Convert to fraction form
    110,886.87/166,312.11 = 30,930.29/x
  3. Step 3: Cross multiply
    110,886.87x = 166,312.11 × 30,930.29
  4. Step 4: Simplify right side
    110,886.87x = 5,144,080,961.25
  5. Step 5: Solve for x
    x = 5,144,080,961.25/110,886.87
  6. Step 6: Final answer
    x = 46,390.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.