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Finding the Fourth Proportional to 303,145.90, 454,593.73 and 103,482.38

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Solution

The fourth proportional to 303,145.90, 454,593.73 and 103,482.38 is: 155,180.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,145.90 : 454,593.73 = 103,482.38 : x
  2. Step 2: Convert to fraction form
    303,145.90/454,593.73 = 103,482.38/x
  3. Step 3: Cross multiply
    303,145.90x = 454,593.73 × 103,482.38
  4. Step 4: Simplify right side
    303,145.90x = 47,042,441,113.48
  5. Step 5: Solve for x
    x = 47,042,441,113.48/303,145.90
  6. Step 6: Final answer
    x = 155,180.86

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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.