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Finding the Fourth Proportional to 174,714.51, 261,916.62 and 68,073.75

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Solution

The fourth proportional to 174,714.51, 261,916.62 and 68,073.75 is: 102,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,714.51 : 261,916.62 = 68,073.75 : x
  2. Step 2: Convert to fraction form
    174,714.51/261,916.62 = 68,073.75/x
  3. Step 3: Cross multiply
    174,714.51x = 261,916.62 × 68,073.75
  4. Step 4: Simplify right side
    174,714.51x = 17,829,646,510.73
  5. Step 5: Solve for x
    x = 17,829,646,510.73/174,714.51
  6. Step 6: Final answer
    x = 102,050.18

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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.