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Finding the Fourth Proportional to 117,358,996.80, 176,101,480.80 and 49,208,577.60

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Solution

The fourth proportional to 117,358,996.80, 176,101,480.80 and 49,208,577.60 is: 73,839,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,358,996.80 : 176,101,480.80 = 49,208,577.60 : x
  2. Step 2: Convert to fraction form
    117,358,996.80/176,101,480.80 = 49,208,577.60/x
  3. Step 3: Cross multiply
    117,358,996.80x = 176,101,480.80 × 49,208,577.60
  4. Step 4: Simplify right side
    117,358,996.80x = 8,665,703,383,421,711
  5. Step 5: Solve for x
    x = 8,665,703,383,421,711/117,358,996.80
  6. Step 6: Final answer
    x = 73,839,276.24

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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.