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Finding the Fourth Proportional to 173,893.90, 260,743.65 and 74,037.10

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Solution

The fourth proportional to 173,893.90, 260,743.65 and 74,037.10 is: 111,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,893.90 : 260,743.65 = 74,037.10 : x
  2. Step 2: Convert to fraction form
    173,893.90/260,743.65 = 74,037.10/x
  3. Step 3: Cross multiply
    173,893.90x = 260,743.65 × 74,037.10
  4. Step 4: Simplify right side
    173,893.90x = 19,304,703,689.42
  5. Step 5: Solve for x
    x = 19,304,703,689.42/173,893.90
  6. Step 6: Final answer
    x = 111,014.27

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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.