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Finding the Fourth Proportional to 171,372.17, 256,987.29 and 64,737.93

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Solution

The fourth proportional to 171,372.17, 256,987.29 and 64,737.93 is: 97,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,372.17 : 256,987.29 = 64,737.93 : x
  2. Step 2: Convert to fraction form
    171,372.17/256,987.29 = 64,737.93/x
  3. Step 3: Cross multiply
    171,372.17x = 256,987.29 × 64,737.93
  4. Step 4: Simplify right side
    171,372.17x = 16,636,825,190.91
  5. Step 5: Solve for x
    x = 16,636,825,190.91/171,372.17
  6. Step 6: Final answer
    x = 97,080.09

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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.