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Finding the Fourth Proportional to 117,467,897.20, 176,201,845.80 and 117,467,897.20

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Solution

The fourth proportional to 117,467,897.20, 176,201,845.80 and 117,467,897.20 is: 176,201,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,467,897.20 : 176,201,845.80 = 117,467,897.20 : x
  2. Step 2: Convert to fraction form
    117,467,897.20/176,201,845.80 = 117,467,897.20/x
  3. Step 3: Cross multiply
    117,467,897.20x = 176,201,845.80 × 117,467,897.20
  4. Step 4: Simplify right side
    117,467,897.20x = 20,698,060,308,884,652
  5. Step 5: Solve for x
    x = 20,698,060,308,884,652/117,467,897.20
  6. Step 6: Final answer
    x = 176,201,845.80

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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.