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Finding the Fourth Proportional to 171,287.46, 236,220.50 and 147,080.81

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Solution

The fourth proportional to 171,287.46, 236,220.50 and 147,080.81 is: 202,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,287.46 : 236,220.50 = 147,080.81 : x
  2. Step 2: Convert to fraction form
    171,287.46/236,220.50 = 147,080.81/x
  3. Step 3: Cross multiply
    171,287.46x = 236,220.50 × 147,080.81
  4. Step 4: Simplify right side
    171,287.46x = 34,743,503,436.86
  5. Step 5: Solve for x
    x = 34,743,503,436.86/171,287.46
  6. Step 6: Final answer
    x = 202,837.40

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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.