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Finding the Fourth Proportional to 118,320,488.70, 177,144,809.85 and 118,320,488.70

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Solution

The fourth proportional to 118,320,488.70, 177,144,809.85 and 118,320,488.70 is: 177,144,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,320,488.70 : 177,144,809.85 = 118,320,488.70 : x
  2. Step 2: Convert to fraction form
    118,320,488.70/177,144,809.85 = 118,320,488.70/x
  3. Step 3: Cross multiply
    118,320,488.70x = 177,144,809.85 × 118,320,488.70
  4. Step 4: Simplify right side
    118,320,488.70x = 20,959,860,472,120,572
  5. Step 5: Solve for x
    x = 20,959,860,472,120,572/118,320,488.70
  6. Step 6: Final answer
    x = 177,144,809.85

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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.