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Finding the Fourth Proportional to 150,008.68, 207,011.46 and 82,940.68

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Solution

The fourth proportional to 150,008.68, 207,011.46 and 82,940.68 is: 114,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,008.68 : 207,011.46 = 82,940.68 : x
  2. Step 2: Convert to fraction form
    150,008.68/207,011.46 = 82,940.68/x
  3. Step 3: Cross multiply
    150,008.68x = 207,011.46 × 82,940.68
  4. Step 4: Simplify right side
    150,008.68x = 17,169,671,260.19
  5. Step 5: Solve for x
    x = 17,169,671,260.19/150,008.68
  6. Step 6: Final answer
    x = 114,457.85

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1.5x scale

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.