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Finding the Fourth Proportional to 202,005.90, 303,008.85 and 154,766.70

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Solution

The fourth proportional to 202,005.90, 303,008.85 and 154,766.70 is: 232,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,005.90 : 303,008.85 = 154,766.70 : x
  2. Step 2: Convert to fraction form
    202,005.90/303,008.85 = 154,766.70/x
  3. Step 3: Cross multiply
    202,005.90x = 303,008.85 × 154,766.70
  4. Step 4: Simplify right side
    202,005.90x = 46,895,679,785.30
  5. Step 5: Solve for x
    x = 46,895,679,785.30/202,005.90
  6. Step 6: Final answer
    x = 232,150.05

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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.