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Finding the Fourth Proportional to 254,991.42, 351,962.28 and 170,108.28

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Solution

The fourth proportional to 254,991.42, 351,962.28 and 170,108.28 is: 234,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,991.42 : 351,962.28 = 170,108.28 : x
  2. Step 2: Convert to fraction form
    254,991.42/351,962.28 = 170,108.28/x
  3. Step 3: Cross multiply
    254,991.42x = 351,962.28 × 170,108.28
  4. Step 4: Simplify right side
    254,991.42x = 59,871,698,075.68
  5. Step 5: Solve for x
    x = 59,871,698,075.68/254,991.42
  6. Step 6: Final answer
    x = 234,798.87

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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.