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Finding the Fourth Proportional to 202,220.30, 303,221.10 and 83,903.60

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Solution

The fourth proportional to 202,220.30, 303,221.10 and 83,903.60 is: 125,810.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,220.30 : 303,221.10 = 83,903.60 : x
  2. Step 2: Convert to fraction form
    202,220.30/303,221.10 = 83,903.60/x
  3. Step 3: Cross multiply
    202,220.30x = 303,221.10 × 83,903.60
  4. Step 4: Simplify right side
    202,220.30x = 25,441,341,885.96
  5. Step 5: Solve for x
    x = 25,441,341,885.96/202,220.30
  6. Step 6: Final answer
    x = 125,810.03

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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.