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Finding the Fourth Proportional to 254,690.64, 351,326.64 and 159,031.26

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Solution

The fourth proportional to 254,690.64, 351,326.64 and 159,031.26 is: 219,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,690.64 : 351,326.64 = 159,031.26 : x
  2. Step 2: Convert to fraction form
    254,690.64/351,326.64 = 159,031.26/x
  3. Step 3: Cross multiply
    254,690.64x = 351,326.64 × 159,031.26
  4. Step 4: Simplify right side
    254,690.64x = 55,871,918,230.77
  5. Step 5: Solve for x
    x = 55,871,918,230.77/254,690.64
  6. Step 6: Final answer
    x = 219,371.70

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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.