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Finding the Fourth Proportional to 104,758.63, 144,564.13 and 57,010.95

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Solution

The fourth proportional to 104,758.63, 144,564.13 and 57,010.95 is: 78,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,758.63 : 144,564.13 = 57,010.95 : x
  2. Step 2: Convert to fraction form
    104,758.63/144,564.13 = 57,010.95/x
  3. Step 3: Cross multiply
    104,758.63x = 144,564.13 × 57,010.95
  4. Step 4: Simplify right side
    104,758.63x = 8,241,738,387.22
  5. Step 5: Solve for x
    x = 8,241,738,387.22/104,758.63
  6. Step 6: Final answer
    x = 78,673.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.