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Finding the Fourth Proportional to 253,899.16, 350,418.12 and 146,448.22

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Solution

The fourth proportional to 253,899.16, 350,418.12 and 146,448.22 is: 202,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,899.16 : 350,418.12 = 146,448.22 : x
  2. Step 2: Convert to fraction form
    253,899.16/350,418.12 = 146,448.22/x
  3. Step 3: Cross multiply
    253,899.16x = 350,418.12 × 146,448.22
  4. Step 4: Simplify right side
    253,899.16x = 51,318,109,929.75
  5. Step 5: Solve for x
    x = 51,318,109,929.75/253,899.16
  6. Step 6: Final answer
    x = 202,120.05

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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.