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Finding the Fourth Proportional to 70,193.48, 105,291.43 and 25,217.82

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Solution

The fourth proportional to 70,193.48, 105,291.43 and 25,217.82 is: 37,827.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,193.48 : 105,291.43 = 25,217.82 : x
  2. Step 2: Convert to fraction form
    70,193.48/105,291.43 = 25,217.82/x
  3. Step 3: Cross multiply
    70,193.48x = 105,291.43 × 25,217.82
  4. Step 4: Simplify right side
    70,193.48x = 2,655,220,266.24
  5. Step 5: Solve for x
    x = 2,655,220,266.24/70,193.48
  6. Step 6: Final answer
    x = 37,827.17

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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.