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Finding the Fourth Proportional to 202,444.20, 303,471.90 and 157,440.60

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Solution

The fourth proportional to 202,444.20, 303,471.90 and 157,440.60 is: 236,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,444.20 : 303,471.90 = 157,440.60 : x
  2. Step 2: Convert to fraction form
    202,444.20/303,471.90 = 157,440.60/x
  3. Step 3: Cross multiply
    202,444.20x = 303,471.90 × 157,440.60
  4. Step 4: Simplify right side
    202,444.20x = 47,778,798,019.14
  5. Step 5: Solve for x
    x = 47,778,798,019.14/202,444.20
  6. Step 6: Final answer
    x = 236,009.72

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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.