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Finding the Fourth Proportional to 202,503.20, 303,560.40 and 157,499.60

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Solution

The fourth proportional to 202,503.20, 303,560.40 and 157,499.60 is: 236,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,503.20 : 303,560.40 = 157,499.60 : x
  2. Step 2: Convert to fraction form
    202,503.20/303,560.40 = 157,499.60/x
  3. Step 3: Cross multiply
    202,503.20x = 303,560.40 × 157,499.60
  4. Step 4: Simplify right side
    202,503.20x = 47,810,641,575.84
  5. Step 5: Solve for x
    x = 47,810,641,575.84/202,503.20
  6. Step 6: Final answer
    x = 236,098.20

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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.