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Finding the Fourth Proportional to 192,055.08, 264,962.02 and 120,310.12

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Solution

The fourth proportional to 192,055.08, 264,962.02 and 120,310.12 is: 165,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,055.08 : 264,962.02 = 120,310.12 : x
  2. Step 2: Convert to fraction form
    192,055.08/264,962.02 = 120,310.12/x
  3. Step 3: Cross multiply
    192,055.08x = 264,962.02 × 120,310.12
  4. Step 4: Simplify right side
    192,055.08x = 31,877,612,421.64
  5. Step 5: Solve for x
    x = 31,877,612,421.64/192,055.08
  6. Step 6: Final answer
    x = 165,981.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.