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Finding the Fourth Proportional to 116,569,640.70, 163,436,375.70 and 116,569,640.70

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Solution

The fourth proportional to 116,569,640.70, 163,436,375.70 and 116,569,640.70 is: 163,436,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,569,640.70 : 163,436,375.70 = 116,569,640.70 : x
  2. Step 2: Convert to fraction form
    116,569,640.70/163,436,375.70 = 116,569,640.70/x
  3. Step 3: Cross multiply
    116,569,640.70x = 163,436,375.70 × 116,569,640.70
  4. Step 4: Simplify right side
    116,569,640.70x = 19,051,719,592,659,212
  5. Step 5: Solve for x
    x = 19,051,719,592,659,212/116,569,640.70
  6. Step 6: Final answer
    x = 163,436,375.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.