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Finding the Fourth Proportional to 266,026.02, 399,104.79 and 79,037.22

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Solution

The fourth proportional to 266,026.02, 399,104.79 and 79,037.22 is: 118,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,026.02 : 399,104.79 = 79,037.22 : x
  2. Step 2: Convert to fraction form
    266,026.02/399,104.79 = 79,037.22/x
  3. Step 3: Cross multiply
    266,026.02x = 399,104.79 × 79,037.22
  4. Step 4: Simplify right side
    266,026.02x = 31,544,133,090.28
  5. Step 5: Solve for x
    x = 31,544,133,090.28/266,026.02
  6. Step 6: Final answer
    x = 118,575.37

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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.