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Finding the Fourth Proportional to 192,542.64, 265,834.08 and 172,365.12

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Solution

The fourth proportional to 192,542.64, 265,834.08 and 172,365.12 is: 237,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,542.64 : 265,834.08 = 172,365.12 : x
  2. Step 2: Convert to fraction form
    192,542.64/265,834.08 = 172,365.12/x
  3. Step 3: Cross multiply
    192,542.64x = 265,834.08 × 172,365.12
  4. Step 4: Simplify right side
    192,542.64x = 45,820,523,099.29
  5. Step 5: Solve for x
    x = 45,820,523,099.29/192,542.64
  6. Step 6: Final answer
    x = 237,975.98

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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.