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Finding the Fourth Proportional to 363,861,251.70, 545,791,877.55 and 105,084,914.10

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Solution

The fourth proportional to 363,861,251.70, 545,791,877.55 and 105,084,914.10 is: 157,627,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,861,251.70 : 545,791,877.55 = 105,084,914.10 : x
  2. Step 2: Convert to fraction form
    363,861,251.70/545,791,877.55 = 105,084,914.10/x
  3. Step 3: Cross multiply
    363,861,251.70x = 545,791,877.55 × 105,084,914.10
  4. Step 4: Simplify right side
    363,861,251.70x = 57,354,492,568,819,464
  5. Step 5: Solve for x
    x = 57,354,492,568,819,464/363,861,251.70
  6. Step 6: Final answer
    x = 157,627,371.15

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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.