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Finding the Fourth Proportional to 120,883.60, 181,325.40 and 96,000.40

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Solution

The fourth proportional to 120,883.60, 181,325.40 and 96,000.40 is: 144,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,883.60 : 181,325.40 = 96,000.40 : x
  2. Step 2: Convert to fraction form
    120,883.60/181,325.40 = 96,000.40/x
  3. Step 3: Cross multiply
    120,883.60x = 181,325.40 × 96,000.40
  4. Step 4: Simplify right side
    120,883.60x = 17,407,310,930.16
  5. Step 5: Solve for x
    x = 17,407,310,930.16/120,883.60
  6. Step 6: Final answer
    x = 144,000.60

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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.