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Finding the Fourth Proportional to 122,909.95, 184,422.32 and 63,713.33

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Solution

The fourth proportional to 122,909.95, 184,422.32 and 63,713.33 is: 95,599.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,909.95 : 184,422.32 = 63,713.33 : x
  2. Step 2: Convert to fraction form
    122,909.95/184,422.32 = 63,713.33/x
  3. Step 3: Cross multiply
    122,909.95x = 184,422.32 × 63,713.33
  4. Step 4: Simplify right side
    122,909.95x = 11,750,160,133.53
  5. Step 5: Solve for x
    x = 11,750,160,133.53/122,909.95
  6. Step 6: Final answer
    x = 95,599.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.