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Finding the Fourth Proportional to 74,557.48, 102,927.42 and 57,523.48

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Solution

The fourth proportional to 74,557.48, 102,927.42 and 57,523.48 is: 79,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,557.48 : 102,927.42 = 57,523.48 : x
  2. Step 2: Convert to fraction form
    74,557.48/102,927.42 = 57,523.48/x
  3. Step 3: Cross multiply
    74,557.48x = 102,927.42 × 57,523.48
  4. Step 4: Simplify right side
    74,557.48x = 5,920,743,385.82
  5. Step 5: Solve for x
    x = 5,920,743,385.82/74,557.48
  6. Step 6: Final answer
    x = 79,411.80

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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.