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Finding the Fourth Proportional to 109,863.72, 164,803.85 and 46,676.75

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Solution

The fourth proportional to 109,863.72, 164,803.85 and 46,676.75 is: 70,018.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,863.72 : 164,803.85 = 46,676.75 : x
  2. Step 2: Convert to fraction form
    109,863.72/164,803.85 = 46,676.75/x
  3. Step 3: Cross multiply
    109,863.72x = 164,803.85 × 46,676.75
  4. Step 4: Simplify right side
    109,863.72x = 7,692,507,048.08
  5. Step 5: Solve for x
    x = 7,692,507,048.08/109,863.72
  6. Step 6: Final answer
    x = 70,018.63

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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.