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Finding the Fourth Proportional to 149,027.40, 205,575.84 and 94,479.84

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Solution

The fourth proportional to 149,027.40, 205,575.84 and 94,479.84 is: 130,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,027.40 : 205,575.84 = 94,479.84 : x
  2. Step 2: Convert to fraction form
    149,027.40/205,575.84 = 94,479.84/x
  3. Step 3: Cross multiply
    149,027.40x = 205,575.84 × 94,479.84
  4. Step 4: Simplify right side
    149,027.40x = 19,422,772,471.07
  5. Step 5: Solve for x
    x = 19,422,772,471.07/149,027.40
  6. Step 6: Final answer
    x = 130,330.21

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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.