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Finding the Fourth Proportional to 199,434.76, 275,225.15 and 108,792.25

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Solution

The fourth proportional to 199,434.76, 275,225.15 and 108,792.25 is: 150,136.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,434.76 : 275,225.15 = 108,792.25 : x
  2. Step 2: Convert to fraction form
    199,434.76/275,225.15 = 108,792.25/x
  3. Step 3: Cross multiply
    199,434.76x = 275,225.15 × 108,792.25
  4. Step 4: Simplify right side
    199,434.76x = 29,942,363,325.09
  5. Step 5: Solve for x
    x = 29,942,363,325.09/199,434.76
  6. Step 6: Final answer
    x = 150,136.13

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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.