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Finding the Fourth Proportional to 80,203.56, 110,678.42 and 46,212.11

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Solution

The fourth proportional to 80,203.56, 110,678.42 and 46,212.11 is: 63,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,203.56 : 110,678.42 = 46,212.11 : x
  2. Step 2: Convert to fraction form
    80,203.56/110,678.42 = 46,212.11/x
  3. Step 3: Cross multiply
    80,203.56x = 110,678.42 × 46,212.11
  4. Step 4: Simplify right side
    80,203.56x = 5,114,683,319.67
  5. Step 5: Solve for x
    x = 5,114,683,319.67/80,203.56
  6. Step 6: Final answer
    x = 63,771.28

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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.