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Finding the Fourth Proportional to 253,873.90, 350,175.36 and 163,344.16

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Solution

The fourth proportional to 253,873.90, 350,175.36 and 163,344.16 is: 225,305.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,873.90 : 350,175.36 = 163,344.16 : x
  2. Step 2: Convert to fraction form
    253,873.90/350,175.36 = 163,344.16/x
  3. Step 3: Cross multiply
    253,873.90x = 350,175.36 × 163,344.16
  4. Step 4: Simplify right side
    253,873.90x = 57,199,100,031.90
  5. Step 5: Solve for x
    x = 57,199,100,031.90/253,873.90
  6. Step 6: Final answer
    x = 225,305.16

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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.