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Finding the Fourth Proportional to 118,891,945.60, 166,108,601.60 and 118,891,945.60

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Solution

The fourth proportional to 118,891,945.60, 166,108,601.60 and 118,891,945.60 is: 166,108,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,891,945.60 : 166,108,601.60 = 118,891,945.60 : x
  2. Step 2: Convert to fraction form
    118,891,945.60/166,108,601.60 = 118,891,945.60/x
  3. Step 3: Cross multiply
    118,891,945.60x = 166,108,601.60 × 118,891,945.60
  4. Step 4: Simplify right side
    118,891,945.60x = 19,748,974,825,119,272
  5. Step 5: Solve for x
    x = 19,748,974,825,119,272/118,891,945.60
  6. Step 6: Final answer
    x = 166,108,601.60

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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.