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Finding the Fourth Proportional to 120,745.60, 181,118.40 and 95,862.40

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Solution

The fourth proportional to 120,745.60, 181,118.40 and 95,862.40 is: 143,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,745.60 : 181,118.40 = 95,862.40 : x
  2. Step 2: Convert to fraction form
    120,745.60/181,118.40 = 95,862.40/x
  3. Step 3: Cross multiply
    120,745.60x = 181,118.40 × 95,862.40
  4. Step 4: Simplify right side
    120,745.60x = 17,362,444,508.16
  5. Step 5: Solve for x
    x = 17,362,444,508.16/120,745.60
  6. Step 6: Final answer
    x = 143,793.60

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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.