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Finding the Fourth Proportional to 193,758,305.60, 290,693,445.60 and 57,446,969.60

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Solution

The fourth proportional to 193,758,305.60, 290,693,445.60 and 57,446,969.60 is: 86,187,053.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,758,305.60 : 290,693,445.60 = 57,446,969.60 : x
  2. Step 2: Convert to fraction form
    193,758,305.60/290,693,445.60 = 57,446,969.60/x
  3. Step 3: Cross multiply
    193,758,305.60x = 290,693,445.60 × 57,446,969.60
  4. Step 4: Simplify right side
    193,758,305.60x = 16,699,457,532,302,456
  5. Step 5: Solve for x
    x = 16,699,457,532,302,456/193,758,305.60
  6. Step 6: Final answer
    x = 86,187,053.92

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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.