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Finding the Fourth Proportional to 254,552.98, 351,262.56 and 147,129.98

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Solution

The fourth proportional to 254,552.98, 351,262.56 and 147,129.98 is: 203,027.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,552.98 : 351,262.56 = 147,129.98 : x
  2. Step 2: Convert to fraction form
    254,552.98/351,262.56 = 147,129.98/x
  3. Step 3: Cross multiply
    254,552.98x = 351,262.56 × 147,129.98
  4. Step 4: Simplify right side
    254,552.98x = 51,681,253,427.55
  5. Step 5: Solve for x
    x = 51,681,253,427.55/254,552.98
  6. Step 6: Final answer
    x = 203,027.49

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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.