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Finding the Fourth Proportional to 202,298.90, 303,776.40 and 136,032.80

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Solution

The fourth proportional to 202,298.90, 303,776.40 and 136,032.80 is: 204,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,298.90 : 303,776.40 = 136,032.80 : x
  2. Step 2: Convert to fraction form
    202,298.90/303,776.40 = 136,032.80/x
  3. Step 3: Cross multiply
    202,298.90x = 303,776.40 × 136,032.80
  4. Step 4: Simplify right side
    202,298.90x = 41,323,554,265.92
  5. Step 5: Solve for x
    x = 41,323,554,265.92/202,298.90
  6. Step 6: Final answer
    x = 204,269.79

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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.