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Finding the Fourth Proportional to 202,320.60, 303,480.90 and 70,992.60

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Solution

The fourth proportional to 202,320.60, 303,480.90 and 70,992.60 is: 106,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,320.60 : 303,480.90 = 70,992.60 : x
  2. Step 2: Convert to fraction form
    202,320.60/303,480.90 = 70,992.60/x
  3. Step 3: Cross multiply
    202,320.60x = 303,480.90 × 70,992.60
  4. Step 4: Simplify right side
    202,320.60x = 21,544,898,141.34
  5. Step 5: Solve for x
    x = 21,544,898,141.34/202,320.60
  6. Step 6: Final answer
    x = 106,488.90

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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.