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Finding the Fourth Proportional to 70,532.99, 97,337.31 and 38,701.88

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Solution

The fourth proportional to 70,532.99, 97,337.31 and 38,701.88 is: 53,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,532.99 : 97,337.31 = 38,701.88 : x
  2. Step 2: Convert to fraction form
    70,532.99/97,337.31 = 38,701.88/x
  3. Step 3: Cross multiply
    70,532.99x = 97,337.31 × 38,701.88
  4. Step 4: Simplify right side
    70,532.99x = 3,767,136,891.14
  5. Step 5: Solve for x
    x = 3,767,136,891.14/70,532.99
  6. Step 6: Final answer
    x = 53,409.57

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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.