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Finding the Fourth Proportional to 122,568.56, 183,852.88 and 39,462.56

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Solution

The fourth proportional to 122,568.56, 183,852.88 and 39,462.56 is: 59,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,568.56 : 183,852.88 = 39,462.56 : x
  2. Step 2: Convert to fraction form
    122,568.56/183,852.88 = 39,462.56/x
  3. Step 3: Cross multiply
    122,568.56x = 183,852.88 × 39,462.56
  4. Step 4: Simplify right side
    122,568.56x = 7,255,305,308.17
  5. Step 5: Solve for x
    x = 7,255,305,308.17/122,568.56
  6. Step 6: Final answer
    x = 59,193.85

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1.5x scale

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.