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Finding the Fourth Proportional to 79,493.70, 119,240.55 and 59,664.90

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Solution

The fourth proportional to 79,493.70, 119,240.55 and 59,664.90 is: 89,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,493.70 : 119,240.55 = 59,664.90 : x
  2. Step 2: Convert to fraction form
    79,493.70/119,240.55 = 59,664.90/x
  3. Step 3: Cross multiply
    79,493.70x = 119,240.55 × 59,664.90
  4. Step 4: Simplify right side
    79,493.70x = 7,114,475,491.70
  5. Step 5: Solve for x
    x = 7,114,475,491.70/79,493.70
  6. Step 6: Final answer
    x = 89,497.35

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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.