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Finding the Fourth Proportional to 121,846.60, 182,811.41 and 65,692.11

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Solution

The fourth proportional to 121,846.60, 182,811.41 and 65,692.11 is: 98,560.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,846.60 : 182,811.41 = 65,692.11 : x
  2. Step 2: Convert to fraction form
    121,846.60/182,811.41 = 65,692.11/x
  3. Step 3: Cross multiply
    121,846.60x = 182,811.41 × 65,692.11
  4. Step 4: Simplify right side
    121,846.60x = 12,009,267,673.64
  5. Step 5: Solve for x
    x = 12,009,267,673.64/121,846.60
  6. Step 6: Final answer
    x = 98,560.54

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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.