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Finding the Fourth Proportional to 199,124.80, 274,792.22 and 109,700.80

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Solution

The fourth proportional to 199,124.80, 274,792.22 and 109,700.80 is: 151,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,124.80 : 274,792.22 = 109,700.80 : x
  2. Step 2: Convert to fraction form
    199,124.80/274,792.22 = 109,700.80/x
  3. Step 3: Cross multiply
    199,124.80x = 274,792.22 × 109,700.80
  4. Step 4: Simplify right side
    199,124.80x = 30,144,926,367.78
  5. Step 5: Solve for x
    x = 30,144,926,367.78/199,124.80
  6. Step 6: Final answer
    x = 151,387.10

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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.