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Finding the Fourth Proportional to 155,387.40, 233,138.70 and 149,627.40

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Solution

The fourth proportional to 155,387.40, 233,138.70 and 149,627.40 is: 224,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,387.40 : 233,138.70 = 149,627.40 : x
  2. Step 2: Convert to fraction form
    155,387.40/233,138.70 = 149,627.40/x
  3. Step 3: Cross multiply
    155,387.40x = 233,138.70 × 149,627.40
  4. Step 4: Simplify right side
    155,387.40x = 34,883,937,520.38
  5. Step 5: Solve for x
    x = 34,883,937,520.38/155,387.40
  6. Step 6: Final answer
    x = 224,496.56

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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.