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Finding the Fourth Proportional to 71,136.74, 106,673.67 and 37,848.90

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Solution

The fourth proportional to 71,136.74, 106,673.67 and 37,848.90 is: 56,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,136.74 : 106,673.67 = 37,848.90 : x
  2. Step 2: Convert to fraction form
    71,136.74/106,673.67 = 37,848.90/x
  3. Step 3: Cross multiply
    71,136.74x = 106,673.67 × 37,848.90
  4. Step 4: Simplify right side
    71,136.74x = 4,037,481,068.46
  5. Step 5: Solve for x
    x = 4,037,481,068.46/71,136.74
  6. Step 6: Final answer
    x = 56,756.63

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1.5x scale

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.