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Finding the Fourth Proportional to 79,548.57, 119,541.56 and 74,347.16

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Solution

The fourth proportional to 79,548.57, 119,541.56 and 74,347.16 is: 111,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,548.57 : 119,541.56 = 74,347.16 : x
  2. Step 2: Convert to fraction form
    79,548.57/119,541.56 = 74,347.16/x
  3. Step 3: Cross multiply
    79,548.57x = 119,541.56 × 74,347.16
  4. Step 4: Simplify right side
    79,548.57x = 8,887,575,272.94
  5. Step 5: Solve for x
    x = 8,887,575,272.94/79,548.57
  6. Step 6: Final answer
    x = 111,725.14

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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.