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Finding the Fourth Proportional to 120,466.98, 179,427.96 and 114,144.12

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Solution

The fourth proportional to 120,466.98, 179,427.96 and 114,144.12 is: 170,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,466.98 : 179,427.96 = 114,144.12 : x
  2. Step 2: Convert to fraction form
    120,466.98/179,427.96 = 114,144.12/x
  3. Step 3: Cross multiply
    120,466.98x = 179,427.96 × 114,144.12
  4. Step 4: Simplify right side
    120,466.98x = 20,480,646,597.60
  5. Step 5: Solve for x
    x = 20,480,646,597.60/120,466.98
  6. Step 6: Final answer
    x = 170,010.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.