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Finding the Fourth Proportional to 74,266.58, 111,403.52 and 27,508.52

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Solution

The fourth proportional to 74,266.58, 111,403.52 and 27,508.52 is: 41,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,266.58 : 111,403.52 = 27,508.52 : x
  2. Step 2: Convert to fraction form
    74,266.58/111,403.52 = 27,508.52/x
  3. Step 3: Cross multiply
    74,266.58x = 111,403.52 × 27,508.52
  4. Step 4: Simplify right side
    74,266.58x = 3,064,545,957.99
  5. Step 5: Solve for x
    x = 3,064,545,957.99/74,266.58
  6. Step 6: Final answer
    x = 41,264.13

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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.