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Finding the Fourth Proportional to 121,569,499.70, 182,354,249.55 and 36,468,955.70

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Solution

The fourth proportional to 121,569,499.70, 182,354,249.55 and 36,468,955.70 is: 54,703,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,569,499.70 : 182,354,249.55 = 36,468,955.70 : x
  2. Step 2: Convert to fraction form
    121,569,499.70/182,354,249.55 = 36,468,955.70/x
  3. Step 3: Cross multiply
    121,569,499.70x = 182,354,249.55 × 36,468,955.70
  4. Step 4: Simplify right side
    121,569,499.70x = 6,650,269,048,545,696
  5. Step 5: Solve for x
    x = 6,650,269,048,545,696/121,569,499.70
  6. Step 6: Final answer
    x = 54,703,433.55

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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.