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Finding the Fourth Proportional to 202,430.30, 303,775.05 and 118,190.30

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Solution

The fourth proportional to 202,430.30, 303,775.05 and 118,190.30 is: 177,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,430.30 : 303,775.05 = 118,190.30 : x
  2. Step 2: Convert to fraction form
    202,430.30/303,775.05 = 118,190.30/x
  3. Step 3: Cross multiply
    202,430.30x = 303,775.05 × 118,190.30
  4. Step 4: Simplify right side
    202,430.30x = 35,903,264,292.02
  5. Step 5: Solve for x
    x = 35,903,264,292.02/202,430.30
  6. Step 6: Final answer
    x = 177,361.12

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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.