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Finding the Fourth Proportional to 201,807.90, 303,003.45 and 152,235.90

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Solution

The fourth proportional to 201,807.90, 303,003.45 and 152,235.90 is: 228,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,807.90 : 303,003.45 = 152,235.90 : x
  2. Step 2: Convert to fraction form
    201,807.90/303,003.45 = 152,235.90/x
  3. Step 3: Cross multiply
    201,807.90x = 303,003.45 × 152,235.90
  4. Step 4: Simplify right side
    201,807.90x = 46,128,002,913.86
  5. Step 5: Solve for x
    x = 46,128,002,913.86/201,807.90
  6. Step 6: Final answer
    x = 228,573.82

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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.