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Finding the Fourth Proportional to 121,857.60, 182,790.14 and 33,112.98

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Solution

The fourth proportional to 121,857.60, 182,790.14 and 33,112.98 is: 49,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,857.60 : 182,790.14 = 33,112.98 : x
  2. Step 2: Convert to fraction form
    121,857.60/182,790.14 = 33,112.98/x
  3. Step 3: Cross multiply
    121,857.60x = 182,790.14 × 33,112.98
  4. Step 4: Simplify right side
    121,857.60x = 6,052,726,084.45
  5. Step 5: Solve for x
    x = 6,052,726,084.45/121,857.60
  6. Step 6: Final answer
    x = 49,670.48

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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.