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Finding the Fourth Proportional to 202,336.80, 303,505.20 and 97,360.80

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Solution

The fourth proportional to 202,336.80, 303,505.20 and 97,360.80 is: 146,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,336.80 : 303,505.20 = 97,360.80 : x
  2. Step 2: Convert to fraction form
    202,336.80/303,505.20 = 97,360.80/x
  3. Step 3: Cross multiply
    202,336.80x = 303,505.20 × 97,360.80
  4. Step 4: Simplify right side
    202,336.80x = 29,549,509,076.16
  5. Step 5: Solve for x
    x = 29,549,509,076.16/202,336.80
  6. Step 6: Final answer
    x = 146,041.20

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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.