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Finding the Fourth Proportional to 122,560.94, 183,841.56 and 38,321.56

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Solution

The fourth proportional to 122,560.94, 183,841.56 and 38,321.56 is: 57,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,560.94 : 183,841.56 = 38,321.56 : x
  2. Step 2: Convert to fraction form
    122,560.94/183,841.56 = 38,321.56/x
  3. Step 3: Cross multiply
    122,560.94x = 183,841.56 × 38,321.56
  4. Step 4: Simplify right side
    122,560.94x = 7,045,095,372.03
  5. Step 5: Solve for x
    x = 7,045,095,372.03/122,560.94
  6. Step 6: Final answer
    x = 57,482.39

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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.