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Finding the Fourth Proportional to 254,447.95, 351,124.45 and 141,263.41

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Solution

The fourth proportional to 254,447.95, 351,124.45 and 141,263.41 is: 194,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,447.95 : 351,124.45 = 141,263.41 : x
  2. Step 2: Convert to fraction form
    254,447.95/351,124.45 = 141,263.41/x
  3. Step 3: Cross multiply
    254,447.95x = 351,124.45 × 141,263.41
  4. Step 4: Simplify right side
    254,447.95x = 49,601,037,141.37
  5. Step 5: Solve for x
    x = 49,601,037,141.37/254,447.95
  6. Step 6: Final answer
    x = 194,935.89

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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.