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Finding the Fourth Proportional to 144,472.32, 199,355.04 and 80,808.48

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Solution

The fourth proportional to 144,472.32, 199,355.04 and 80,808.48 is: 111,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,472.32 : 199,355.04 = 80,808.48 : x
  2. Step 2: Convert to fraction form
    144,472.32/199,355.04 = 80,808.48/x
  3. Step 3: Cross multiply
    144,472.32x = 199,355.04 × 80,808.48
  4. Step 4: Simplify right side
    144,472.32x = 16,109,577,762.74
  5. Step 5: Solve for x
    x = 16,109,577,762.74/144,472.32
  6. Step 6: Final answer
    x = 111,506.33

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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.