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Finding the Fourth Proportional to 64,266.80, 96,371.40 and 29,188.40

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Solution

The fourth proportional to 64,266.80, 96,371.40 and 29,188.40 is: 43,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,266.80 : 96,371.40 = 29,188.40 : x
  2. Step 2: Convert to fraction form
    64,266.80/96,371.40 = 29,188.40/x
  3. Step 3: Cross multiply
    64,266.80x = 96,371.40 × 29,188.40
  4. Step 4: Simplify right side
    64,266.80x = 2,812,926,971.76
  5. Step 5: Solve for x
    x = 2,812,926,971.76/64,266.80
  6. Step 6: Final answer
    x = 43,769.52

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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.