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Finding the Fourth Proportional to 118,119,169.60, 164,963,729.60 and 118,119,169.60

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Solution

The fourth proportional to 118,119,169.60, 164,963,729.60 and 118,119,169.60 is: 164,963,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,119,169.60 : 164,963,729.60 = 118,119,169.60 : x
  2. Step 2: Convert to fraction form
    118,119,169.60/164,963,729.60 = 118,119,169.60/x
  3. Step 3: Cross multiply
    118,119,169.60x = 164,963,729.60 × 118,119,169.60
  4. Step 4: Simplify right side
    118,119,169.60x = 19,485,378,754,470,940
  5. Step 5: Solve for x
    x = 19,485,378,754,470,940/118,119,169.60
  6. Step 6: Final answer
    x = 164,963,729.60

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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.