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Finding the Fourth Proportional to 64,136.94, 96,207.57 and 17,390.94

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Solution

The fourth proportional to 64,136.94, 96,207.57 and 17,390.94 is: 26,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,136.94 : 96,207.57 = 17,390.94 : x
  2. Step 2: Convert to fraction form
    64,136.94/96,207.57 = 17,390.94/x
  3. Step 3: Cross multiply
    64,136.94x = 96,207.57 × 17,390.94
  4. Step 4: Simplify right side
    64,136.94x = 1,673,140,077.42
  5. Step 5: Solve for x
    x = 1,673,140,077.42/64,136.94
  6. Step 6: Final answer
    x = 26,087.00

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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.