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Finding the Fourth Proportional to 254,997.95, 351,909.08 and 147,547.20

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Solution

The fourth proportional to 254,997.95, 351,909.08 and 147,547.20 is: 203,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,997.95 : 351,909.08 = 147,547.20 : x
  2. Step 2: Convert to fraction form
    254,997.95/351,909.08 = 147,547.20/x
  3. Step 3: Cross multiply
    254,997.95x = 351,909.08 × 147,547.20
  4. Step 4: Simplify right side
    254,997.95x = 51,923,199,408.58
  5. Step 5: Solve for x
    x = 51,923,199,408.58/254,997.95
  6. Step 6: Final answer
    x = 203,622.03

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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.