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Finding the Fourth Proportional to 121,424.80, 182,142.60 and 41,461.60

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Solution

The fourth proportional to 121,424.80, 182,142.60 and 41,461.60 is: 62,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,424.80 : 182,142.60 = 41,461.60 : x
  2. Step 2: Convert to fraction form
    121,424.80/182,142.60 = 41,461.60/x
  3. Step 3: Cross multiply
    121,424.80x = 182,142.60 × 41,461.60
  4. Step 4: Simplify right side
    121,424.80x = 7,551,923,624.16
  5. Step 5: Solve for x
    x = 7,551,923,624.16/121,424.80
  6. Step 6: Final answer
    x = 62,194.24

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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.