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Finding the Fourth Proportional to 99,950.71, 149,875.12 and 33,366.91

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Solution

The fourth proportional to 99,950.71, 149,875.12 and 33,366.91 is: 50,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,950.71 : 149,875.12 = 33,366.91 : x
  2. Step 2: Convert to fraction form
    99,950.71/149,875.12 = 33,366.91/x
  3. Step 3: Cross multiply
    99,950.71x = 149,875.12 × 33,366.91
  4. Step 4: Simplify right side
    99,950.71x = 5,000,869,640.28
  5. Step 5: Solve for x
    x = 5,000,869,640.28/99,950.71
  6. Step 6: Final answer
    x = 50,033.36

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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.