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Finding the Fourth Proportional to 158,396.02, 237,629.49 and 53,212.12

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Solution

The fourth proportional to 158,396.02, 237,629.49 and 53,212.12 is: 79,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,396.02 : 237,629.49 = 53,212.12 : x
  2. Step 2: Convert to fraction form
    158,396.02/237,629.49 = 53,212.12/x
  3. Step 3: Cross multiply
    158,396.02x = 237,629.49 × 53,212.12
  4. Step 4: Simplify right side
    158,396.02x = 12,644,768,937.42
  5. Step 5: Solve for x
    x = 12,644,768,937.42/158,396.02
  6. Step 6: Final answer
    x = 79,830.09

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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.