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Finding the Fourth Proportional to 253,521.80, 350,097.15 and 163,034.90

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Solution

The fourth proportional to 253,521.80, 350,097.15 and 163,034.90 is: 225,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,521.80 : 350,097.15 = 163,034.90 : x
  2. Step 2: Convert to fraction form
    253,521.80/350,097.15 = 163,034.90/x
  3. Step 3: Cross multiply
    253,521.80x = 350,097.15 × 163,034.90
  4. Step 4: Simplify right side
    253,521.80x = 57,078,052,090.05
  5. Step 5: Solve for x
    x = 57,078,052,090.05/253,521.80
  6. Step 6: Final answer
    x = 225,140.61

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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.