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Finding the Fourth Proportional to 70,233.01, 96,972.29 and 43,412.29

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Solution

The fourth proportional to 70,233.01, 96,972.29 and 43,412.29 is: 59,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,233.01 : 96,972.29 = 43,412.29 : x
  2. Step 2: Convert to fraction form
    70,233.01/96,972.29 = 43,412.29/x
  3. Step 3: Cross multiply
    70,233.01x = 96,972.29 × 43,412.29
  4. Step 4: Simplify right side
    70,233.01x = 4,209,788,878.75
  5. Step 5: Solve for x
    x = 4,209,788,878.75/70,233.01
  6. Step 6: Final answer
    x = 59,940.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.