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Finding the Fourth Proportional to 189,172.16, 283,758.24 and 64,514.24

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Solution

The fourth proportional to 189,172.16, 283,758.24 and 64,514.24 is: 96,771.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,172.16 : 283,758.24 = 64,514.24 : x
  2. Step 2: Convert to fraction form
    189,172.16/283,758.24 = 64,514.24/x
  3. Step 3: Cross multiply
    189,172.16x = 283,758.24 × 64,514.24
  4. Step 4: Simplify right side
    189,172.16x = 18,306,447,197.34
  5. Step 5: Solve for x
    x = 18,306,447,197.34/189,172.16
  6. Step 6: Final answer
    x = 96,771.36

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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.