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Finding the Fourth Proportional to 80,392.50, 110,941.65 and 46,864.98

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Solution

The fourth proportional to 80,392.50, 110,941.65 and 46,864.98 is: 64,673.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,392.50 : 110,941.65 = 46,864.98 : x
  2. Step 2: Convert to fraction form
    80,392.50/110,941.65 = 46,864.98/x
  3. Step 3: Cross multiply
    80,392.50x = 110,941.65 × 46,864.98
  4. Step 4: Simplify right side
    80,392.50x = 5,199,278,208.42
  5. Step 5: Solve for x
    x = 5,199,278,208.42/80,392.50
  6. Step 6: Final answer
    x = 64,673.67

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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.