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Finding the Fourth Proportional to 158,193.65, 218,409.12 and 141,168.62

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Solution

The fourth proportional to 158,193.65, 218,409.12 and 141,168.62 is: 194,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,193.65 : 218,409.12 = 141,168.62 : x
  2. Step 2: Convert to fraction form
    158,193.65/218,409.12 = 141,168.62/x
  3. Step 3: Cross multiply
    158,193.65x = 218,409.12 × 141,168.62
  4. Step 4: Simplify right side
    158,193.65x = 30,832,514,611.84
  5. Step 5: Solve for x
    x = 30,832,514,611.84/158,193.65
  6. Step 6: Final answer
    x = 194,903.61

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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.