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Finding the Fourth Proportional to 80,354.10, 110,889.66 and 46,369.64

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Solution

The fourth proportional to 80,354.10, 110,889.66 and 46,369.64 is: 63,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,354.10 : 110,889.66 = 46,369.64 : x
  2. Step 2: Convert to fraction form
    80,354.10/110,889.66 = 46,369.64/x
  3. Step 3: Cross multiply
    80,354.10x = 110,889.66 × 46,369.64
  4. Step 4: Simplify right side
    80,354.10x = 5,141,913,220.77
  5. Step 5: Solve for x
    x = 5,141,913,220.77/80,354.10
  6. Step 6: Final answer
    x = 63,990.68

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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.