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Finding the Fourth Proportional to 96,607.40, 144,843.60 and 57,144.20

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Solution

The fourth proportional to 96,607.40, 144,843.60 and 57,144.20 is: 85,676.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,607.40 : 144,843.60 = 57,144.20 : x
  2. Step 2: Convert to fraction form
    96,607.40/144,843.60 = 57,144.20/x
  3. Step 3: Cross multiply
    96,607.40x = 144,843.60 × 57,144.20
  4. Step 4: Simplify right side
    96,607.40x = 8,276,971,647.12
  5. Step 5: Solve for x
    x = 8,276,971,647.12/96,607.40
  6. Step 6: Final answer
    x = 85,676.37

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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.